TM Watson's definitions
Boom: meaning I told you so, or I just did something great or something great happened! Basically meaning in your face.
you outscore your friend in a game! in that instance you would say "BOOM"!
I was like boom, when i slapped her in the face!
I was like boom, when i slapped her in the face!
by TM Watson February 5, 2010
Get the Boommug.