Top Definition
The act of being on psychadelic mushrooms.
Colten is booming this weekend; he got a quarter of some bomb-ass shrooms.
by Ross October 29, 2004

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1. A very gay way of partying

2. An interesting, and very strange way of masturbating

3. Getting High

4. Something better than an orgasm
person 1: "AHHHHH.... AHHHHH..... AHHH!!! uuggghhhh.... I just Boomed."

person 2: "Thats gross"

person 3: "why does he like booming so much???"

person 4: "you ppl obviously dont kno how amazing booming really is do u?"
by Oli Detone April 30, 2009

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The act of shitting so hard that you enter another spiritual dimension, similar to tripping on mushrooms
Between all of this coffee, high-fiber oatmeal, and beer, I'm going to be booming all night.
by adsffgvsdfadf February 23, 2015

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Typically used in the world of sport and videogames.
If you're booming someone, you're absolutely destroying them.
"Dude, I'm freaking booming these noobs."
"Nice."
by Johnson Kato June 06, 2016

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something that is out of this world amazing, even orgasmic
this pizza is booming!
by imi imi September 09, 2012

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To ditch your friends or leave secretly and unannounced.
Classic case of Boomer booming on his friends to go to another party
by Blumed February 14, 2014

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to be very hot
or
to be very busy in a certain place
i am booming (i.e. hot) or it is booming in here (i.e it is hot or very busy)
by Neos October 19, 2006

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The Urban Dictionary T-Shirt

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The Urban Dictionary T-Shirt

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