50
A fantastically awesome band that has been around since 1988. They got started when Billie Joe Armstrong met Mike Pritchard (Mike Dirnt for you ignoramuses who obsess about how 'hotttt' Billie Joe is.), and voila! Sweet Children was born.

They've had a very long career that has produced 9 albums of phenomenal material. Beginning with 1,039 Smoothed Out Slappy Hours, (which was a compilation of the EP'sSlappy,39/Smooth, and 1,000 Hours), and the most recent being American Idiot, frequently referred to as the sellout album.

It is a frequent mistake of prepubescent girls that the only member of the band is frontman Billie Joe Armstrong.

THIS IS COMPLETELY WRONG.
Mike Dirnt plays bass in Green Day.

Tre Cool is the drummer of Green Day.

Billie Joe Armstrong is not the only member in Green Day.

True fans listen to all the music by Green Day
by plain old me July 13, 2006
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51
1) a day when you take off work, or skip school to smoke weed.
2)punk rock band from berkley. The original named was sweet children. In 1989 they changed their name to green day. this was a northern california slang term which meant to stay at home and smoke weed.
1)I think i'll have a greenday tommorrow.
2)Green day's first drummer was Al Sobrante.
by F.O.D. October 05, 2005
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52
A pop-punk band that became extremely popular with the release of their third album,'Dookie', which was released in 1994 and sold over 10 million records.Green Day revived their popularity in 2004 with their critically acclaimed album,American Idiot.This album proved controversial with fans because Green day garnered many new fans that never knew who they were until this album was released.Although to this day 'Dookie' still remains the highest selling Green Day album and a favorite of most fans.
Poser: ZoMg Green Day is teh suxxors!!!!111 Tey sold out!!1No 1 new green day untilll AMerican idiot!!11

Man with a brain: No they didn't.They just became popular agian like they were in the 90's.And American Idiot is not even their best-selling album.
by Jonmad August 28, 2006
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53
Contrary to popular belief, this is NOT the spelling of the punk rock band 'Green Day' (note the space between the words).
TeenyBopper: OMG!!! i lurrrrve Greenday.
Me: Green Day? And how would you spell that?
TeenyBopper: G-R-E-E-N-D-A-Y
Me: WRONG! sheesh...
by theartistformallyknownas August 10, 2005
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54
Green day are a punk rock band, originated in California, being going 1988 to present. Billie Joe, Mike Dirnt and Tre Cool are the members. Their roles are front man on guitar and vocals, bass player and back up vocals and drummer respectively.Their name used to be sweet children but they changed it.Albums include Nimrod, Dookie, Kerplunk, American idiot, international super 1039/smoothed out slappy hours.Many people believe that Green day became sell-outs after releasing American idiot. That is not true. Those people are the “old green day” fans, say that its now not cool to like them because lots of people in high school do, but that’s just sad and ignorant because some fans, like me, couldn’t even walk when Dookie(1994) was released.The 1st song I heard was American idiot, I am ashamed to say that was on MTV, but it wasn’t my TV thank god.I thought wow this is a great song, so I downloaded the album and did a bit of research on the band. I downloaded their old stuff to, and its all equally awesome. I am unable to find a reason why that makes me a poser, but all you lot that do, please keep your ignorant comments to yourselves. Also, many people only like them because they see Billie Joe as “sooo hot init”, which is wrong, but I’m not denying that he’s very sexy, but he’s married with two kids! I listen for them for the music, but its totally ok to think Billie is hot. The lyrics are really meaningful, for example, in basket case.. do you have the time, to listen to me whine, about nothing and everything all at once. This is a phase many go through, feeling depressed but wondering what about and whether its everything or nothing, and this songs shows it in a kick ass way.
Green day rock\m/
there is no need for an example, read the actual definiton
but here are a few green day's greatest ever songs:
Basket case
Longview
having a blast
wake me up when september ends
jesus of suburbia
by tara05 January 01, 2006
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55
1. A day of smoking pot.

2. One of the best punk bands ever.
Girl: Billy Joe is so hawt!!!
Me&Freind: It's Billie Joe.
Girl: Whatev...
Me&Freind: Do you even like Green Day for their music?
Girl:Eww I Hate Punk!!!
Me&Freind: Freak...
by No-Name-Kid March 10, 2008
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56
An amazingly great bad with educating and meaningful lyrics. Often associated with getting your Green Day hit everyday, often someone isn't truly with it/awake/living if they haven't had theire Green Day hit/fix.
Yo Dude, I haven't had my Green Day fix yet........Ah, thats better.
by Roxy February 01, 2005
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