Top Definition
Excess expulsions from the anus, whether it be too much gastric explosions (gas), or excessive diarrhea...which can be caused by the consumption of chineese take out (a.k.a. cat/msg), or spicy food (i.e. thai).
I was sitting on the toilet, and boy did I ever have explosive ass syndrome! I was wish my ass was inactive like a dormant geyser.
by Rottin' Ronny July 29, 2006

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