Top Definition
Name often associated with a man's best friend (Golden Retriever for example) BEFORE your girlfriend neuters him and tells you about it at your birthday dinner with your family. Thus, EX-girlfriend.

Monsh is short for monster, but now that he is neutered he isn't much of a Monsh. Actually, he sits around the house watching white trash shows like Teen Mom, Real Housewives of who gives a fuck, and eats left over ice cream from his disgusting mother.
1) Monsh... May he rest in peace.

2) Did you hear about that stupid, superficial, snotty, little bitch?? No NOT Monsh, his mother who neutered him like a dumb bitch.
by TrippMonsh July 01, 2013
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