1. noun: band of tossers; horrible vocals to horrible 'music' provided by lead singer who constantly sounds like he is nursing a very bad cold and thus cannot be understood by many (except perhaps those in the masses who don't care because OMG LYK FALL OUT BOY TOTALLY ROCKZZZZ!!!11111ONEONE)
Fall Out Boy should fall out a window and die.
by dissused April 03, 2006

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Top Definition
Originally the sidekick to Radioactive Man in the Radioactive Man comic series on the Simpsons. In the film version of Radioactive Man (starring Ranier Wolfcastle) Milhouse was cast in the role of Fallout Boy.
Bart: Well, between us we've read all 814 issues of "Radioactive Man."

Milhouse: Yeah, and we both have the special limited-edition issue where he and Fall out Boy get killed on every page!
by irregardless March 16, 2006

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1. A Chicago-based band whose sound is characterized by crunchy metallic riffs and by stop-start rhythms, as well as sometimes cheeky, sometimes emotional lyrics.

Could be (and often is) described as part of the modern pop-punk emo movement, though it has to be noted they are far more rock-oriented and electrically charged than self-admittedly emo bands such as Dashboard Confessional.

Started out fairly indie but has since gained a huge mainstream "pop" audience.

Biggest hits include: Sugar We're Going Down, Dance Dance

Similar bands include: Funeral For A Friend, Panic! at the Disco

2. In the popular TV show The Simpsons, Fallout Boy is superhero Radioactive Man's sidekick.
1. Did you check out Fall Out Boy's new CD?
2. "Radioactive man, look out!" screamed Fallout Boy.
by objective man January 06, 2006

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Here's an actual defenition, not JUST an opinion

A band from chicago formed around 2001. It consists of pete Wentz, Patrick Stump, Andrew Hurley, Joe Trohman. They are not I REAPEAT NOT, and emo band(see the get up kids for some). If anything someone could call them Pop-punk. In my opinion a very good band who's fans actually go deeper than what most of you think. Fall Out Boy did exist before they were on TRL, therefore their fans existed before TRL and thefore do not consist only of 13 year old girls who love guys in gril pants.

Catchy guitar riffs and unique vocals make their music better than anything you and your crappy yamaha bass could put out.
Urban dictiony person:Fall Out Boy is SOOOO Emo.
Actual intelligent Fall Out Boy Fan:You Fucking Idiot, no they aren't, listen to the lyrics you dumbfuck.
by See you! At the disco January 01, 2006

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Fall Out Boy is a Chicago based band, that actually had a life before MTV.

It has four members; Pete Wentz, Patrick Stump, Joe Trohman and Andy Hurley.

For those of you who think Fall Out Boy are emo posers; they aren't. They aren't even emo, and, like I said, had a life before MTV. It's MTV that made them so popular, along with some air headed teenage girls, who only listen to them because 'PeTe Iz SoOoOoO hAwT!!!!!11'.

Oh, and by the way, there is no 'Tom' in Fall Out Boy. On the From Under The Cork Tree album, some tracks were mixed by Tom Lord-Alge, which could be the cause of this misconception of the invisible 'Tom'.
Air Head : OMG, LIEK PETE FROM FALL OUT BOY IZ SOOO HAWT!!!!!1
Normal person : Air is leaking out.
by cheapPERFUME September 24, 2006

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A band, not a "gay shitty ass emo band", a band. That's what some of you guys keep on posting that and we all get it, you don't like them, they may not be worthy of your time, but they do deserve your respect. And you go far enough by saying "all their fans are retarded emo faggots" when you don't even know who half of them are. Just because people like them, doesn't mean they're all "emo", "retarded" or "homosexual."
person 1: Fall Out Boy sucks ass! They're such gay, emo faggots and their fans are retarded!
person 2: Shut the fuck up, all you ever talk about is how much Fall Out Boy "sucks" Gosh, they're just a fucking band, Why waste your life complaining about it, Quit being so bigoted!!!!!!!!!!!!
by falling stars forever April 14, 2007

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1: Fall Out Boy are a band from Chicago, made up of four members... Peter Wentz, Patrick Stump, Andrew Hurley and Joe Trohman. Due to certain lines in the songs, they are considered EMO (by people who need to be shot), but they are actually NOT. They are critised alot for Patrick Stump's lead vocals, apparently, being "horrible" and "hard to understand". The answer to this is, of course, get your fucking ears cleaned out because if TONS of people can hear what the hell he says, why cant YOU?

2: A fact that is NOT known to many people, is that Fall Out Boy actually had a LIFE before MTV. And It was not up to the band to have hundreds of stupid airheaded girls constantly asking for their music videos to be played on MTV due to the fact that "Peter is so HAWT!!!" If you are going to blame somebody in that situation, blame MTV. Or better, the stupid airheaded girls.
1: Sugar We're Going Down: (before your ears get cleaned out) Wee goh in DAH DAH in ah earlieeh rauh! Shu gah wee goh in dah swing ih!

Sugar We're Going Down: (AFTER your ears get cleaned out) We're going down, down, in an earlier round. Sugar, we're goin down swingin.

2: Bimbo: OmmGzz! Petah from Fall Out Boy is So0o0o HawwwTT!
Sensible human being: Stop checking out the members, and listen to the fucking music, you dumbass. And by the way, its PETER!!!
by xVenoma July 30, 2006

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a band. if you like them fine, if you don't, fine. personally i don't and i've heard some songs, i'm not pulling that opinion out of my ass, like some of these retards. and they're not punk/emo. they are pop. most of the bashing retards wouldn't know emo if it stabbed them in the eye. emo is just another form of punk, not a bunch of pussies in girls' pants slitting they're wrists. i don't know what those tools are. and no need to be homophobic. you can express your hate for something without being a bigot. saying nothing but "gay", "fag", "queer" makes you look like a stupid, homophobic, asshole with no vocabulary, who therefore shouldn't be taken seriously. I've had to thumb down quite a few otherwise valid and funny defintions for being homophobic. not cool.
FanGirl:"OMG! LyKe.....FOB is so0o pUnk RaWk!"
Me:"No, not quite."
Homophobic Asshat:"Fuck Fag Out Boy! Emo faggots and they're gay ass shitty emo music!!"
Me:"Have you even heard 1 Fall Out Boy's of songs?"
Asshat:"Fuck no! I'm not listening to that queer fag crap."
Me:"So, how do you know they suck? Is it because most of their fans are girls? So, just because something is liked by girls it's worthless? Wow, a homophobe AND a misogynst!"
Asshat:"Miso-what? Whatever. Fuck emo fags."
Me: "Define emo."
Asshat:"...It's....those whiny little fags in girls' pants and makeup who.."
Me: "Wrong, tool. Why don't you go learn stuff for yourself instead of accpeting what MTV tells ou it is. I thought you didn't watch MTV?"
by FanGirlHater February 22, 2007

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