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2.
Acronym for "got a giggle out of me." Preferably used during an intraweb conversation when one giggles in front of the computer screen caused by a funny occurrence or joke.
That's mildly funny. GAGOOM.
by daustria February 23, 2011
 
1.
the act of hitting someone in the throat after making them look up
person 1:Hey look there's a pizza on the celing

Person2: what

Person 1: GAGOOM
by dhsfguuh October 26, 2009