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To pretend to know all about something.
That stubborn little cunt has a serious case of knowitallism, I'd sure like to kick him in the head.
by MjX June 02, 2003
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Jan 24 Word of the Day
1. (noun) An abbreviation for stimulus check

2. (verb; stimmied) to get fucked by your government
Me and my homies are going to use our stimmys on guillotines and oreos. Too bad we can’t afford the milk
via giphy
by ecogoth January 01, 2021
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