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[[quoteright:220:[[VisualPun http://static.tvtropes.org/pmwiki/pub/images/brass-balls2_5613.jpg]]]]

When someone does something that's very brave, or at least very risky, it is said that they have Brass Balls, even if they are female. No reason has ever been given for why brass balls are either braver or more foolish than meat balls or billiard balls or... any kind of ball at all, really.[[note]]It's probably some sort of odd metaphor involving the term "brazen".[[/note]] The balls part we get, though. Evidently there is a direct correlation between them and boldness.

ElementalCrafting may come into play; superior to brass balls are balls of ''iron'', beaten out only by balls of steel.

See TestosteronePoisoning for more information.

Not to be confused with BallsOfSteel, where one has balls tough enough to withstand a GroinAttack.

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!!Examples:

[[foldercontrol]]

[[folder:Anime]]
* In ''LightNovel/{{Slayers}}'', a bandit says to Lina: "You have some balls, kiddie! Oh wait, you don't, you're a girl."
* In the ''[[Manga/AxisPowersHetalia Hetalia Bloodbath 2010]]'', China utters this immortal line to Hong Kong:
--> '''China:''' Choosing to go naked rather than wear a maid outfit? ...YOU'VE GOT BALLS-ARU!!
* The English Dub of ''Manga/RosarioToVampire'' plays this nearly word for word when Kou accidentally looks up Inner Moka's and Kokoa's skirts.
-->'''Inner Moka:''' Well, you've got some big, brass ones, I'll give ya that much.
[[/folder]]

[[folder:Comics]]
* ''Franchise/{{Micronauts}}'': The Micronaut once stated that it has literal brass balls.
%%* There is a character that literally has this as a last name in ''ComicBook/BatmanTheDarkKnightReturns''.
[[/folder]]

[[folder:Fanfiction]]
* In ''FanFic/TheBalladOfTwilightSparkle'', two cops are described this way for requesting an audience with the local resident [[PhysicalGod Physical G]][[GodEmperor od Emperor]]: 'the sheer atomic weight of [their] ''solid plutonium reproductive organs'' would make escape velocity all but impossible.'
* ''FanFic/InFlight'': Due to the multiple stunts Shirou pulled, Uzume had described him this way. Start with "Bowling balls" and it's currently at "Giant brass beach balls".
[[/folder]]

[[folder:Film]]
* In ''Film/{{Speed}}'' when Jack Traven survives one of the many death defying moments he encounters over the course of the film a passenger cheerfully informs him:
-->'''Ortiz''': You're not too bright, man, but you got some big, round, hairy cojones.\\
'''Jack''': That... is really, really gross, Ortiz.
* The centerpiece of Alec Baldwin's epic speech in ''Film/GlengarryGlenRoss'' is his use of a ''visual aid'' to demonstrate what a real estate salesman needs.
* There's a great scene in ''LAStory'' where Harris (Creator/SteveMartin) is walking on the beach with arrogant bastard Roland (Creator/RichardEGrant) and there's this metallic clanging noise. Harris asks what it was and Roland says, "It's a nuisance. It's my damn testicles."
* ''Film/WaynesWorld'': When Wayne kicks Cassandra's father [[GroinAttack in the nuts]] in a kung-fu duel, a pair of two Chinese medicine balls (made of metal, of course) fall out.
* Heard in ''Film/WhoFramedRogerRabbit'' when Eddie confronts R.K. Maroon.
-->'''R.K. Maroon:''' You got a lot of brass coming in here by yourself.
* In ''[[Film/PoliceAcademy Police Academy 4]]'', Callahan (a female instructor) informs a nervous female recruit that, "Soon, you'll have abs of steel, ice in your veins and a set of brass balls like this!", indicating the size of two basketballs.
* The Creator/JackieChan movie ''Mr Nice Guy'' has a scene where Jackie's FriendOnTheForce confronts the BigBad for harming his father, but to no avail, leading to this immortal line:
--> '''BigBad:''' That boy's got some big brass ones... He'd better be careful or he'll find them hanging on his Christmas tree!
* Said of the biker in ''Film/TheMist'' who volunteers to leave the supermarket and brave unknown peril to attempt to retrieve a rifle from a pickup in the parking lot.
[[/folder]]

[[folder:Literature]]
* Creator/ErnestHemingway's 1932 book on bullfighting, ''Death in the Afternoon''.
-->"It takes more cojones," he wrote, "to be a sportsman where death is a closer party to the game."
* ''Literature/TheDresdenFiles'':
** "You can say what you like about Gentleman Johnny Marcone, but he has a set of brass balls that drag the ground when he walks."
** Harry is also accused of such in ''Dead Beat'' when Thomas [[spoiler: blackmails the head of the White Court]] in his name.
--->'''Dresden:''' So you're saying that I [[spoiler:blackmailed the White Court]]. By proxy.\\
'''Thomas:''' Yeah. You've gotta have some great big brass balls to do something like that, Harry.
* Special Agent D'Agustino on the USSS's Protection Detail is described this way in Creator/TomClancy's [[Literature/JackRyan Ryanverse]] novels: if she did have them, 'they'd be heavy, brass ones'.
[[/folder]]

[[folder:Live Action TV]]
* During the Wrestling/{{WWE}} AttitudeEra [[MickFoley Mankind]] practically made a company-wide CatchPhrase out of "Testicular Fortitude" (a play on "intestinal fortitude" - i.e., [[YouGotGuts guts]]). VinceMcMahon is the one who ran with it the most, such as,
-->I've got the brass [balls], to fire your ass!
* ''Series/MythBusters'': After Jamie traverses their (increasingly wobbly) duct tape bridge, Adam says to the camera: "Ladies and gentlemen, they are [[GettingCrapPastTheRadar made of brass]], James Hyneman!" Note that the bridge spans a very deep dry dock and [[WhyDidItHaveToBeSnakes Mr. Hyneman is very afraid of heights]].
* [[Series/TheColbertReport Stephen Colbert]] talks about his brass balls quite often. They're the only thing that give him the guts to speak [[StrawmanPolitical the truth]].
* While executing a [[GroinAttack painful squeeze]] on a rival, Elisabeth Rohm's character on ''Bull'' informs him that "9 times out 10, brass balls will get you anything you want ... I've got them; you don't. Too bad for you."
* [[Series/{{Bones}} Dr. Brennan]] is credited with these, at which point she immediately replies that [[CompletelyMissingThePoint she has]] ''[[CompletelyMissingThePoint ovaries]]''.
* In ''Series/{{Angel}}'', Lindsay calls Angel a vampire "with big brass testes" after he reveals his plan to go after [[spoiler: The Circle of the Black Thorn.]]
* ''Series/BuffyTheVampireSlayer''. Buffy's mother Joyce is being held prisoner by evil Slayer Faith.
-->'''Faith:''' You're thinking "[[StockPhrases You'll never get away with this!]]"\\
'''Joyce:''' Actually I was thinking "My daughter is going to kill you soon."\\
'''Faith:''' That a fact?\\
'''Joyce:''' More like a bet.\\
'''Faith:''' Whoa. You got a pair on you, Joyce.
* The entire point behind the ChannelFour series BallsOfSteel in which contestants (male or female) demonstrate their Balls of Steel by going out in public and pulling horrible schemes on the unknowing public.
* In ''Series/{{Sliders}}'', "The Exodus, Part 1." Quinn said to Maggie that he could hear her "brass balls" clink.
[[/folder]]

[[folder:Tabletop Games]]
* ''TabletopGame/{{Warhammer 40000}}''
** One common saying (in fanon) about the [[Characters/Warhammer40000ImperialGuard Imperial Guard]] (the RedShirtArmy of the Imperium) is that on the first day, each recruit will be facing hordes of alien killing machines and {{Eldritch Abomination}}s and is handed little more than a T-shirt (flak jacket), flashlight (a [[FrickinLaserBeams lasgun]], one of the weakest possible weapons[[note]]in 40k, that means it can "only" dismember an unarmored target in one hit[[/note]]), and a wheelbarrow for their pair of Mars forged [[BadassNormal titanium plated balls]].
** Ollianus Pius, the guy who faced [[TransHuman Hor]][[PhysicalGod us]] (read: [[SatanicArchetype Satan]]) with nothing but the aforementioned T-shirt and flashlight, is generally referred to as having [[MadeOfIndestructium Mars-grade adamantium]] balls. He died, yes, but what a death it was. [[ExecutiveMeddling Except then he got ret-conned out of existence]]. And Now he's back.
[[/folder]]

[[folder:Video Games]]
* The first two ''Franchise/BioShock'' games uses this as a name for an achievement in some way. The [[VideoGame/BioShock1 first game]] has 'Brass Balls' which requires you to finish the game on Hard difficulty without using any Vita-Chambers. The [[VideoGame/BioShock2 second game]] has 'Big Brass Balls' which only requires you to complete the game without using any Vita-Chambers.
* The Krogan race in the ''Franchise/MassEffect'' universe have four testicles, so whenever they feel the need to display recognition of a particularly badass individual, they say "he has got a quad". Commander Shepard earns it [[spoiler:after you defeat the Thresher Maw on Tuchanka]]. Yes, even if you play as Female!Shepard. Just goes to show the sheer manliness of that deed. Then there's Wrex's reaction to Grunt, a SuperSoldier even by krogan standards:
--> "Next you'll tell me he's a quint and craps dark matter."
* The boiler boss in ''VideoGame/ConkersBadFurDay'' has a pair of literal brass balls. [[spoiler:They're his [[AttackItsWeakPoint weak]] [[GroinAttack point]].]]
* One of VideoGame/DukeNukem's catchphrase: "I've got balls of steel!"
** The company that made ''VideoGame/DukeNukem'', 3D Realms, later released a {{pinball}} game named ''Balls of Steel''.
* In ''SuikodenII'', when [[spoiler:[[AntiVillain Jowy]] tells Luca Blight that he intends to marry [[EverythingsBetterWithPrincesses Jillia]]]], Luca responds with an EvilLaugh and shouts, "You've got balls, I'll give you that!"
* ''Franchise/CallOfDuty: VideoGame/ModernWarfare'' can have the player character be regarded as this: during a mission to eliminate the BigBad of the game, the player character has the opportunity to slip into an area guarded by three {{Mooks}} to retrieve a collectible. If the player succeeds, [=MacMillan=] notes that they have "the minerals".
* In a bit of GettingCrapPastTheRadar, when you challenge Lt. Surge in ''VideoGame/PokemonYellow'' he notes you must have "big and brassy ''nerves''" to take him on.
[[/folder]]

[[folder:Webcomics]]
* ''Webcomic/TheOrderOfTheStick'': Xykon, an epic lich sorcerer to an injured and unarmed O-Chul, charging him: "Wow. You've got some +5 Holy Cojones on you, paladin." And he seems to somehow have missed V who was equally injured and low on spells, isn't a paladin whose job definition includes "being fearless", but was charging too. [[http://www.giantitp.com/comics/oots0659.html Here.]]
* ''Webcomic/SchlockMercenary'': In [[http://www.schlockmercenary.com:8080/2005-12-23 this strip]] Petey praises an ore freighter captain who used "rocks, [[RammingAlwaysWorks ramming]], and balls of steel" to defeat a massive PlasmaCannon that had just been used on the planetary government's legislature, with nothing more than an unarmed mining ship at his disposal. Unfortunately for the reference, [[GroinAttack the captain had lost the last part of that "inventory" in a long-ago war]].
[[/folder]]

[[folder:Web Original]]
* ''Website/{{Cracked}}'' has picture of doll holding [[http://i.crackedcdn.com/phpimages/photoshop/8/2/2/201822_slide.jpg?v=1 brass balls]], at [[http://www.cracked.com/photoplasty_643_if-background-characters-got-their-own-action-figures_p31/ this article]].
[[/folder]]

[[folder:Western Animation]]
* BaitAndSwitch'd in ''WesternAnimation/{{Futurama}}'', when Zapp Brannigan is talking about the Brain Balls, the rulers of Spheron I:
-->'''Brannigan:''' They've got a lotta brains, and a lotta...''chutzpah!''
* The pilot episode of ''WesternAnimation/BeastWars'' features Dinobot challenging Optimus Primal for the leadership of the Maximals. Rhinox's response?
-->'''Rhinox:''' This guy's got [[UnusualEuphemism bearings]] of chrome steel.
[[/folder]]
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