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[[quoteright:255:[[VideoGame/LeagueOfLegends http://static.tvtropes.org/pmwiki/pub/images/improbable-weapon-user_jaxsplash_2_1203.png]]]]
[[caption-width-right:255:Don't ask Jax [[{{Pun}} for a light]].]]

->"''Here's a riddle: When is a croquet mallet like a billy club? I'll tell you: Whenever you want it to be.''"
-->-- '''Cheshire Cat''', ''VideoGame/AmericanMcGeesAlice''
%% One quote is sufficient. Please place additional entries on the quotes tab.

The high probability your wackiest party member, like the TeamPet, will use some sort of bizarre and, well, improbable "weapon" -- that is, in the sense of an object you could conceivably hit something with. And some of these 'weapons' don't even go that far.

This usually seems to just be a way to give that character some sort of [[SortingAlgorithmOfWeaponEffectiveness upgradeable item to explain ongoing power increases]]. Curiously, every weapon shop will sell these upgrades, despite there being seemingly only one such user on the planet.

Many games also have a [[JokeItem gag]] weapon for each of the party members, which is essentially an Improbable or NerfArm version of their regular weapon, such as a [[CombatHandFan fan]] or a [[WoodenKatanasAreEvenBetter wooden sword]] for the sword-wielder, a broom for the WhiteMagicianGirl, or a squeaky-mallet for someone who normally wields [[AnAxeToGrind an axe]] [[DropTheHammer or hammer]]. Of course, this might end up subverted with an [[InfinityPlusOneSword Infinity Plus One]] [[LethalJokeItem Marshmallow Slingshot]]. Sometimes they may be StatSticks instead, things that are "equipped" as a "weapon" to give the user the stats but aren't actually used for attacking. Compare TheManMakesTheWeapon for when someone deliberately use a gag substitute of a real weapon to showcase his skill.

This trope is surprisingly not that far from reality when you consider how martial arts weapons have included not just spears, swords, and knives, but farming tools, boat oars (see also UsefulNotes/MiyamotoMusashi), [[CombatHandFan fans]], [[RingsOfDeath metal rings]] (no, not even chakram, just round metal rings), and... small wooden benches? Hell, this doesn't even go into the military trench shovel[[note]][[https://en.wikipedia.org/wiki/Entrenching_tool which is actually fairly terrifying, sometimes featuring a saw blade edge or bayonette]][[/note]].

Subtropes include the following:
* ArtAttacker, when the Improbable Weapon is art (of the non-martial kind, that is).
* BattleTops, when the Improbable Weapon is spinning top.
* ChairmanOfTheBrawl, when the Improbable Weapon is a small piece of furniture.
* ClothFu, when the Improbable Weapon is a piece of cloth, a blanket, or the like.
* ClothingCombat, when the Improbable Weapon is clothing.
* CombatHandFan, when the Improbable Weapon is a hand fan.
* DeadlyDoctor, when the Improbable Weapon User is a medical doctor who repurposes medical instruments for combat.
* DeathDealer, when the Improbable Weapon is a card (or a whole deck of cards).
* EdibleBludgeon, when the Improbable Weapon is a solid mass of (often frozen) food.
* FryingPanOfDoom, when the Improbable Weapon is a frying pan or a similar piece of cookware.
* IKnowMaddenKombat, when the Improbable Weapon is a sport implement (for a non-combat sport, that is).
* KillerYoyo, when the Improbable Weapon is a yo-yo.
* MyLittlePanzer, when the Improbable Weapon is a toy gun, remote control vehicle, and other such toys.
* ParasolOfPain, when the Improbable Weapon is an umbrella.
* RodAndReelRepurposed, when the Improbable Weapon is a fishing rod.
* RollingPinOfDoom, when the Improbable Weapon is a rolling pin.
* ShearMenace, when the Improbable Weapon is a pair of scissors, grass shears, and other similar cutting devices.
* ShovelStrike, when the Improbable Weapon is a shovel, trowel, or some other digging tool of similar design.
* ThrowTheBookAtThem, when the Improbable Weapon is a book.
* UtilityWeapon, when the Improbable Weapon is a video-game tool that can be used outside of combat.
* WaterGunsAndBalloons, when the Improbable Weapon is a water gun or water-filled balloon[[note]]when they aren't used against [[KillItWithWater those who're weak against water]], that is[[/note]].
* WeaponizedHeadgear, when the Improbable Weapon is a legitimate form of headgear.

This may be one of the stranger examples of TruthInTelevision.

For '''one-time examples''', see ImprovisedWeapon. If someone manages to pull this off with an actual weapon, see ImprobableUseOfAWeapon. Compare AbnormalAmmo for improbable things you could throw/launch at an enemy, and ImpossiblyCoolWeapon for actual weapons with impossible (and cool) properties.

See also ImprovFu, ThisBananaIsArmed, ShoePhone, NerfArm, HappyFunBall, GrievousHarmWithABody, MusicalAssassin (killing with music), MartialArtsAndCrafts, OnceKilledAManWithANoodleImplement, JokeItem, and LethalJokeItem.
* ImprobableWeaponUser/AnimeAndManga
* ImprobableWeaponUser/ComicBooks
* ImprobableWeaponUser/FanFic
* ImprobableWeaponUser/{{Film}}
* ImprobableWeaponUser/{{Literature}}
* ImprobableWeaponUser/LiveActionTV
* ImprobableWeaponUser/ManhwaAndManhua
* ImprobableWeaponUser/{{Music}}
* ImprobableWeaponUser/ProfessionalWrestling
* ImprobableWeaponUser/TabletopGames
* ImprobableWeaponUser/VideoGames
* ImprobableWeaponUser/{{Webcomics}}
* ImprobableWeaponUser/WebOriginal
* ImprobableWeaponUser/WesternAnimation
* ImprobableWeaponUser/RealLife