Definitions by *jedi wave* You don't need to know who I am

cleavage 

The visible by-product when a woman wears a bra/corset/top that pushes her breasts together.
Sometimes used purposly as an attraction technique when tartish girls want shallow guys attentions.

guys in club: "God, look at her cleavage in that top!"
Girl (upon hearing comment): " Hi, wanna buy me a drink *stupid high pitched giggle*"

cleavage by *jedi wave* You don't need to know who I am April 11, 2005

billie joe armstrong 

1.Lead singer and front man for the American rock/punk band Green day.

Side note to all above definers... teenybop fucks, got over yourselves!
You cheapen music you stupid whores

Billie Joel Armstrong comes up with some kick ass lyrics.

billie joe armstrong by *jedi wave* You don't need to know who I am April 11, 2005