a word used to describe someone usually a woman who has an incredibly large arse, however can also be used to express a back fat issue,although male boom does occur the female variety is much more entertaining can also become mega boom
by ny1985 November 28, 2004
by A-Bomb TGN July 21, 2005
when something unbelievable and/or awesome has just been done and/or completed. the ULTIMATE achievement. the BEST thing of all things.
ME:yo dude, you finally blaze that girl or what?
FRIEND:yea dude, i was all up in that last night.
ME:BOOM!
FRIEND:yea dude, i was all up in that last night.
ME:BOOM!
by thelevinsonhorse July 15, 2011
by Rob Barrett July 26, 2005
in the act of booming; an exlamation of anger or joy; a painful situation
See also: wordbol/word
wordbotcafol/word
See also: wordbol/word
wordbotcafol/word
by Bucking Fastard January 6, 2003
by ZöeeVuitton. September 28, 2009