8
A word used to express satisfaction. or after something that has happened (generally after a good thing). Also if something is done right multiple people will say boom. If Boom is said then sometimes people may copy and say it after.

Can be a random outburst.
And the winner is...SAM!

Sam: "BOOM!"

Luke: "BOOM!"
by seaman27 March 29, 2011
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9
The defensive tactic that Muslim teenagers who are being bullied use to defend themselves. just yell, or write the word
Bully: Hey, ACHMED, give me your lunch money!
Ahmad: BOOM!
Bully:AAAAHHH
by spotlight January 17, 2009
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10
adjective used to describe a pretty girl.
by bacdafukup April 30, 2003
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11
BOOM is widely used in the beer pong community for pretty much any reason. It is shouted as loud as possible so that everyone is aware of what just happened and are now compelled to BOOM as well. Can be used in conjuction with LFG
Scenario 1
Mike - "I just smashed some bids tonight"
Chris - "BOOM!!"
Mike - "LFG"

Scenario 2
Crowd - *chanting Iron Wizard*
Pong Ferrigno - *hits cup*
All in attendance - "BOOOOOOOOOOOOOOM!!!!"
by Dime132 November 24, 2010
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12
Hallucinogenic mushrooms. Also called boomers.
I got the boom, bitch...$25 an eigth
by Jared McBagnaggit July 25, 2004
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13
New Zealander for a "sexual part" of the body such as the butt, or chest.
Jermaine: If I say you got a Boom ow ow, come on Bret, help me out now. Bret you got it goin on.
Bret: I got it goin on.
by Blackflame619 December 29, 2008
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14
To eat magic mushrooms; to be tripping on mushrooms.
1. Dude, wanna boom with me and andrew?

2. Man I ate an 8th of shrooms with my sister, and I was hella booming!
by chronic diahrea June 09, 2009
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