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Xander: As long as nothing really bad happens between now and then, you'll be fine. Buffy: Are you crazy? What did you say that for? Now something bad is gonna happen. Xander: What do you mean? Nothing's gonna happen. Willow: Not until some dummy says, "As long as nothing bad happens." Buffy: It's the ultimate jinx! Willow:What were you thinking?! Or were you even thinking at all? Xander: You don't know... Maybe this time it'll be different...
In Saiyuki's "Kami-sama" arc, Sanzo attempts to break a barrier that he thought was created by will power by shooting at it, on the "rationale" that the bullets are infused with his will power, and thus the two will cancel out...yeah, no. Instead, the bullets ricochet back and everyone dives for cover, with Hakkai yelling, "What are you DOING, Sanzo??"
Yuna Roma Seiran gets this from the ORB military officers in Gundam SEED Destiny, for hiding war criminal Lord Djibril in ORB and denying it, then acting all surprised when ZAFT sees through his obvious lies and invades in full force. Apparently, he thought that since ORB had successfully hidden the Archangel from them two years ago, but not even in anime do politics bend to the Rule of Cool...
In Full Metal Panic!, Kaname tends to yell this whenever Sousuke does something insane. More often than not, he proceeds to explain the ridiculously complicated terrorist plot that he foiled to justify his actions. Sometimes the plot is even real.
From the Star Wars: Clone Wars comics, during the battle of Kamino:
Commander Merai: What were they thinking, defending a water world with ships that can't submerge?
In an untitledHomestuck fic, this is Eridan's reaction to finding out that The Little Mermaid is Feferi's favourite movie. note They live on an alien world where the finned, sea-dwelling aristocracy rule those on land with an iron fist. Because Eridan is part of that aristocracy, he is horrified by the thought that a mermaid would give up her gills to live with a 'peasant'.
In Opening Dangerous Gates, upon learning that Lucy has no idea what the Arrancar are, Grimmjow points out the foolishness of summoning something you know nothing about.
In the first story of the Facing The Future Series, Danny says this to Sam after he learned she duplicated his accident to get herself ghost powers. However, Sam counters that it was her choice to make.
Reverend Mother asks it word for word in Sister Act in response to Deloris/Mary Clarence turning the choir into a girl group act.
Zoe Heller's novel Notes on a Scandal (later made into a film of the same name) was released under the (patently absurd, given the novel's tone) title of What Was She Thinking? Notes On a Scandal in the US.
Live Action TV
Elliot Stabler frequently hears this on Law & Order: Special Victims Unit: when he drove a paranoid-schizophrenic to a breakdown to get information, when he tried to convince the parents of a girl beaten up by his friend's son not to testify, when he made his daughter's DUI disappear, the infamous "What possessed you to tell the shrink in your psych evaluation that you fantasized about killing suspects?!" Or the time when he told the father of a murdered girl that the Suspect might get away with it...
Captain Cragen also said this to Olivia Benson when she gave a reporter confidential information about an investigation involving Anthrax.
Fin Tutuola heard this from John Munch and his ex-wife in the episode when he handled a case against his son poorly.
Adam Schiff does this to Jack McCoy when he cuts a very favorable deal for a mob hit man in "House Counsel" because he wants to beat the mobster's attorney, who happens to be an intense rival of McCoy's from law school.
Schiff: What are we running here, Benny's Bargain Basement? Today's special - cop to four murders, and serve only five years.
McCoy: I didn't think-
Schiff: You didn't think because the blood was too busy rushing from your brain to somewhere south of the border!
A lot of people screamed this at Mohinder from Heroes when he injected himself with a Super Serum he'd invented mere hours ago from studying a woman who cries death, while outside in a bad part of town. And also wanted to distribute it to the general public, despite the fact that a remarkable proportion of those with powers kill people a lot or even try to destroy the world.
Used in an episode of Everybody Hates Chris, in which Julius is laid off and has to take care of the house, cooking, and cleaning while Rochelle tries to find a job. After being insulted by Rochelle for most of the episode, Julius makes the mistake of saying that taking care of the house, which Rochelle usually does, isn't that hard. Cue Rochelle, who is known for cursing people out, launching a positively horrifying hour-long tirade that had Julius cowering in the corner, ending with Rochelle yelling "HAVE YOU LOST YOUR MIND!??!"
Jay Leno famously asked Hugh Grant after the latter's sex scandal: "What the hell were you thinking?" Denis Leary said the same thing about Marv Albert's scandal in his stand-up special, Lock and Load.
Late in the Band of Brothers miniseries, Easy Company passes some surrendering Germans traveling in the other direction, troops marching and officers on wagons. Webster leans out of a troop transport and starts berating them: "You stupid bastards, look at you! You have horses! What were you thinking?!"
For added irony, they are on the autobahn. The Americans in trucks on the road, the Germans walking the other way in the median.
Comes up quite a lot in WWE, either from skits backstage after a loss (or near-loss) because of a tag team partner, or when a commenter wonders what a high-flyer was thinking after attempting a high risk move successfully (or unsuccessfully) and losing the match.
Kane buried The Undertaker...again. He decided to hold a funeral in respect of him...and then Alberto Del Rio interrupted. Now, given that Alberto had only been on Smackdown for a few months, and Kane is a veteran who just took out The Undertaker, and that Alberto interrupted his "funeral" just to challenge Kane, the audience, Kane, and pretty much anyone else who may have been watching all exclaimed...
Some fans exclaim this when a promotion has a good angle or rivalry going and then proceeds to screw it up somewhere along the line. WWE tends to get this a lot. For example, dropping the US Title rematch of Daniel Bryan vs Sheamus from Wrestlemania 27, considering that they're two of WWE's most consistent workers and could have put on an awesome match.
311 fits with "What was I Thinking", a somewhat heavy, short, and repetitive song where the singer is apparently in disbelief in something he said.
Folk singer Christine Lavin's song "What Was I Thinking", originally written in the late 1990s, features such examples as a poor choice of formal dress, hair style, and poor choice of White House intern.
"What Were You Thinking" by Country Music group Little Texas, a breakup song:
What were you thinkin' When you turned your back and walked away Who do you think you're leavin' Did you think I'd let it end this way What were you thinkin'?
Zits has Mom convey an expression that says this phrase without using words to react to Jeremy's antics. Likely she doesn't say it because Jeremy will likely react with some quip.
Mom: What were you thinking! Jeremy: Everything's cause-and-effect with you, isn't it.
There is actually an entire blog dedicated to asking this question about old comics. It's even titled What Were They Thinking?
Some editors in This Wiki tend to use this at times as a reaction… and Pothole it to this very page.
During The Cinema Snob's crossover with Phelousnote Neither has brought anything to review, so Brad is looking at a clothes iron held by Phelan:
Phelous: Um...clothes...wrinkly... Cinema Snob: Doesn't look to terribly b- He reaches out and touches the plugged in iron Cinema Snob: OW! FFFUCK! Phelous: ...did you think would happen?
Spoofed in the Ed, Edd n Eddy episode "Cry Ed", where, after Ed drops a house on Eddy in response to Eddy's scheme to get himself injured and gain sympathy, the following exchange occurs:
Edd: Ed! What in heaven's name were you thinking?! Ed: Absolutely nothing, Double-Dee.
Avatar: The Last Airbender: Zuko frequently hears this from his uncle- "Of all the foolish things you've done in your sixteen years, Prince Zuko, this is the most foolish!", "You never think these things through!" In response to short-sighted things such as when he went through a great deal of life-threatening dangers to get the Avatar and would have died if Aang's friends hadn't come and decided to Save the Villain.
Transformers Animated: Megatron kidnaps Bulkhead to complete his space bridge, and Bulkhead is so sick of people assuming he can't do anything that he makes it work. When Professor Sumdac calls him on this, Bulkhead points out that Sumdac was the guy who rebuilt Megatron (although he had no idea about the evil tyrant thing).
This line often pops up verbatim in Transformers Prime. Miko nearly got herself (and others) killed several time in the series premiere alone. Her friend Jack said the line word for word each time, until he got tired of repeating himself so much.
Cranky: So you gave the Coconut away to King K. Rool?! What were you thinking?!
In Justice League, Hawkgirl chews out Fire for dropping Flash into the sea after Flash told her to do it so she could help Hawkgirl, reminding Fire that Flash can't fly. Fire feebly responds that she figured she could trust a founding member of the Justice League to have a plan, not knowing that Flash didn't have one. Fortunately, Flash was able to think of something in the nick of time. Hawkgirl immediately switched targets to Flash and furiously ordered him to never scare her like that again.