A pop punk band that started in 1989 with Billie Joe Armstrong, Mike Dirnt and Al Sobronte then Tre Cool joined in 1991. Released 1039 hours and Kerplunk on Lookout! Before signing to Reprise in around '93. They were therefore labelled sell outs. They have since released Dookie, Insomniac, Nimrod, Warning, International Superhits!, Shenanagins and American Idiot.

Since they get called for it now I may as well talk about American Idiot.

Whether or not you like American Idiot please dont try to force your opinion on to others. In MY OPINION American Idiot is a good album. They did not sell out whilst making this album, they still had complete control over what they released and St Jimmy, Letterbomb and Homecoming are great songs.

Green Day may not be 1970 punk but they do have punk roots. If you disagree then fair enough, dont listen to them but dont try to bully others into thinking what you think. Green Day are the ones who got me into The Clash, Sex Pistols, The Ramones, Dead Kennedys, Bad Brains, Operation Ivy among others. I feel that they are a good intro to the world of punk.

Anyway like I keep saying if you like them great, also try the old punk bands. If you dont, fine, just dont try to bully others into thinking what you think.
Normal Person "I like Green Day"

Twat "Shut the fuck up, Green Day are fucking fags, there not fucking good, fuck fuck fuck"

Normal Person "Please stop, your embarresing yourself"
by Punkisdead June 15, 2007
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A day spent smoking marijuana.
Saturday was a green day.
by Anonymous September 18, 2003
A sort-of punk rock band that was good but not extremely popular until recently, when thousands of teenyboppers found out about them on TRL, believing their newest and worst CD to date to be "teh bset". Now every fourteen year old in the country rants about how great Boulevard of Broken Dreams is and are known to exclaim things such as "OMG BILLY JOE IS HAWT!!!1" and "DONT WANNA BE AN AMERICAN IDIOT!!12". Their new CD is mediocre at best, so please listen to their other albums instead.
The typical Green Day "fan" has never heard of Nimrod or Kerplunk, but totally eats up the new pop-punk garbage.
by Chernorizets Hrabr March 16, 2005
1. A day which is mainly spent smoking the drug marijuana, in an effort to end boredom. May have originated in California in the mid-80's.

2. A popular punk rock band with members from Rodeo and Willits, California.
1. I had a green day yesterday.

2. Mike Dirnt and Tre Cool are also members of Green Day.
by Crispy September 01, 2004
Quality band which poeple tend to see as sell outs because of their last album American idiot. For me they will always be remembered for Insmoniac and dookie two of the best punkish albums I have in my collection. Unfortunatly their main following now consists of teeny boppers who only discovered Green day existed when Boulevard of broken dreams came out and wouldn't know "At the library" from "Westbound sign" Still i suppose they had to find someone to fantasise over after Busted split up. DAMN YOU CHARLIE!!
girl 1: "wow have you heard that new band Green day?"
girl 2: "Yeah, billie joe is gorgeous"
me: "For gods sake! they have been around for 15 odd years!"
girl 3: "really? wow do you reckon Nirvana will ever get back together? that would be qualtiy"
me: *sound of me crying on the floor in utter despair*
by Guvnor P June 27, 2005
1) A day to smoke weed.

2) Popular American pop-punk band with such classics as Good Riddance (Time of Your Life), Basket Case and Longview. Sometimes said to be inspiration for various later pop-punk bands.
1) It was a green day.
2) I am going to the Green Day concert next week.
by jazzpup February 04, 2005
1) An awesome rock band lead by singer Billie Joe Armstrong that has many hits like When I Come Around, Welcome to Paradise, Basket Case, She, Brain Stew, Time Of Your Life, Warning, Minority, and Don't Wanna Fall In Love
2) A day when you just sit around and do nothing but smoke weed
1) Man, right now I'm listening to a Green Day CD and the songs are awesome!
2) That stoner's has 1 too many green days. He's trippin, man!
by 000 March 22, 2004
Californian punk rock band. Includes Billie Joe Armstrong, Tre Cool, and Mike Dirnt. They formed together in 88 and released their first album in 1991. They became famous for thei album Dookie in 1994, but really hit hard with their 1997 single Time of your Life from their album Nimrod. Also, the GREATEST BAND EVER!
"Green Day rocks!!"
"Dude, I TOTALLY agree!"
by Fini August 08, 2004
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