When an emo band makes a song title so long that you cannot remember the name, only the way the song sounds.
Panic! At the Disco's "I Constantly Thank God for Esteban" is a classic example of Fall Out Boy Syndrome.
by BeanboUrine August 10, 2015
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Breaking up after a number of years as a successful band and coming back a few years later with a bang. Fall Out Boy resurrected in April 2013 just when people were giving up hope of their comeback. It has been really good for publicity and they are now more popular than ever.
Let's just hope MCR is just pulling a Fall Out Boy and isn't breaking up for good.
by Becca G. November 8, 2013
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These people are either real fans or fake fans.

A real fan usually has been a fan for a long time, and likes other bands similar to them such as P!ATD, Green Day, My Chemical Romance, etc. and likes songs other than songs from the Save Rock and Roll album.

A fake fan usually is a fan of mainstream/pop music and discovered Fall Out Boy from the radio, when it played "My Songs Know What You Did In The Dark (Light Em' Up). That is basically the only song they know. They label the band as emo, even though they are clearly not.
Fall Out Boy Fan:

Fake Fan: <3 omgggg I luv da Fall Out Boys! Light Em' Up is my fav songgg!!! Oh and I think his name is Pete Stump but he is rally hoooottttt <3333 I am like sooo über emoooo!!! lol I'm so hardcoreeee ^_^

Real Fan: I fucking love Fall Out Boy. Joe is my favorite because of his cool Afro! From Under The Cork Tree is such a cool album, but Save Rock and Roll was ok, I was expecting more tho. I miss Patrick's sideburns and Pete's guy liner +_+. And if you label them as emo, you die.
by Pseudonyms Suck May 24, 2013
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fallout boy used to be emo, but now they are famous, they act so big, and no self-respecting emo will listen to them anymore, because they're music will only get worse, not better because they are in the limelight. and the tickets to their concerts are now so expensive
all the other bands you used to like that became famous, just like fall out boy for me
by passionflower_poison July 16, 2006
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A realy really awsome band with deep lyrics, even though u have to be a true fan to understand them. I didn't really know fall out boy before mtv like some ppl say cuz I don't live in chicago,and they r based there. They are kinda punk\pop\rok, but it doesn't rrly matter wat u label them because they are awsome!!!!!!

The band consists of singer\guitarist and cutie- patrick, drummer and vegan- andy, guitarist and energetic (atleast on stage)- joe, and bassist and sex-symbol- pete.

To the haters- the only reason u hate fall out boy is because u haven't heard their non-single songs, and since the ppl who hate them are not musicians, singles are the songs u hear on the radio not that the group members are single, take a chance to get one of their cds and listen to the music and interpret the lyrics, not just the songs that mtv chooses to make them famous,, so unless u have bakground on ur opinions don't call them "gay" or "fags" cuz that's just being a homophobic person.

Their latest cd is "infinity on high" which started out with the single "this ain´t a scene its an arms race".
Example of lyrics of fall out boy.:

From song: Thnks fr th mmrs
Get me outa my mind, get u outa those clothes, I'm a liner away from getting u into the mood

From song: I'm like a lawyer with the way I'm trying to push u off
We're the new face of failure, prettier and younger but not any better off, bulletproof loneliness, at best

From song: a little less sixteen candles, a little more touch me
I don't blame you for being you, but u can't blame me for hating it, so say wat r u waiting for?, kiss her kiss her,I set my clocks early cuz you know I'm always late

From song: sugar we're going down (which is probably the 1 haters hate cuz they don't listen to the lyrics)
O don't mind me,I'm watching you two from the closet, wishing to be the friction in your jeans,isn't it messed up how I'm just dying to be him,I'm just a notch in ur bedpost but ur just a line in a song.

From song: fame < infamy
I'm addicted to the way I feel when I think of u

{Yea I know these aren't the best songs but my friend is updating my ipod with the old ones! Can't wait to hear them!}
by naiviv March 5, 2007
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an American emo band that tons of teenage girls love; thought to be very underrated by them but in fact is very overrated. Also used to describe very long phrases from their song titles
oh, my life is too short to be a fall out boy song title
by gayprawnisosom March 24, 2015
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The Act of Missing Fall Out Boy So Much you have a Fall Out. Falling Out usually includes doing drugs and never endingly listening to the greatest band in history's music.
by lexislovesjunk August 19, 2011
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