Top definition
Is said of someone who has the IQ of an oyster.

Intelligence Quotient Scale:
50-69 : Moron
30-49 : Imbecile
10-29 : Idiot
2-9 : Retarded dumbass, or shithead
1 : Mentally ruined
Jack : hey George, is it you who gave my sleeping pills to the red fish ?
George : ...
Jack : Speak ! Say something !
George : gnaaaaaaa ... poop !!! Hahahahaha !
Jack : he's mentally ruined.
by n00light August 20, 2006
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