9 definitions by Emby Quinn

An idiot; a loser; another term for jerkoff.
That guy is such a wack job.
by Emby Quinn October 22, 2003
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A nonsense substitute word used when you don't know the proper term for something or simply can't remember it. Derived from "Who'd have thunk it" and "what's this?".
My car broke down and Dad has to repair the whodathunkitwhatsis to get it running again.
by Emby Quinn October 22, 2003
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