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1.
1)Cretinous behavour resulting from chronic alcohol abuse.
2)One who displays such behavour.
3)Parso snig-blok zeep hee-hee no no no....
Oscar:Who's the cadavar in diapers over there, drooling and farting while he plays with himself?
Felix:Dear old Dad--a complete wet brain now, after 40 years of boozing....
by Kieran Le Petomaine November 08, 2006
652 119
 
2.
the condition of being excessively stupid of forgetful, retarded
That kid has mad wetbrain. He asked me how to spell "example."
by Hanz Von Steiner March 08, 2005
4 17