A kid who can’t ever fucking shut up. Like, at all. Their insults are stupid things like “poo poo face” and other things that wouldn’t offend a first grader. They are the epitome of worthless.
Person one: oh my god shut uppppp. You are the definition of a stupid monkey.

Person two: oh my god I’m in the dictionary??
by angry and hungry August 15, 2020
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A weed (marijuana) hang-over. When recovering from getting way too stoned or roofied, you say, "Stupid Monkey!" as an exclamation of how you feel, as if you are passing the blame to a monkey instead of yourself.
Oh man I got so stoned last night, I feel like shit now... Stupid Monkey!!
by goddamnpoopstain October 20, 2009
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