1 definition by blahblahblah78941564891989+874

Top Definition
Eating something so delicious that it is the equivalent of masturbating and having an orgasm.
Yesterday, Tim was gastrobating so much while eating his Grandma's lasagna and he almost came in his pants it was so delicious.
by blahblahblah78941564891989+874 September 03, 2010
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