exclamation when you are pleased or to show off
Boom. I just won our netball match.

I beat you. Boom.

Boom. I win.
by booties69 November 15, 2011
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Constant penetration (usually done with one's penis) into any opening of someone's body
by Geoff February 22, 2004
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To take a steamy, wet shit.
Oh boy Pooh. Did you just make a boom-boom? Did not see that coming.
by Toots75 February 23, 2018
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When an argument is won, this phrase is shouted to show victory and triumph only once winning the argument.
*Wins argument* "Boom!" *Walks away*
by Bigmanting4 February 17, 2020
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refers often to a remedial or lower level course for the "dumb kids". Interchangeable with the word "retarded". Strictly coming from Tampa Florida slang.
Darcy was able to build a model robopet that responded to ten different commands for her gifted science class final project with funding from the school.

Us in the boom boom class only made paper airplanes and my classmates were so boom boom they couldn't even get theirs to fly.
by goninjagoninjago July 10, 2009
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An exclamation used to define / draw attention to an excellent outcome. Can be used without any preamble. Typically accompanied by suitably emphatic hand / arm gestures.
"I just made the most awesome dinner - boom!"
"Check that backflip - boom!"
Walks into room wearing new shirt - points to shirt "boom!"
by Jack Union May 2, 2013
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