When another person purposely doesn’t know something (or pretends he/she can’t figure something out) in order to hassle you or make your life difficult.
I laid the whole job out a head of time and at the last minute Marty dumb-shitted me about the job location. He demanded directions and a map for a location I know he drives by everyday…so I had to scramble to get him the info that I know he already knows...and I got blamed for the job starting late.
by ~Foo Fighter~ April 26, 2007
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An adjective that can be applied to someone, usually for insulting purposes.

Someone may get this label when:
1) Their stupidity provides anger or frustration to someone else

2) Their stupidity provides amusement, usually at their expense

This word can be closely related to dumb fuck
1) "Your a fucking annoying dumb shit"

2) "You have to be a dumb shit to fall for that"
by Paper1 June 22, 2005
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You don't smoke and pump gas at the same time, you numb shit!
by Anonymous May 30, 2003
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people who have absoluteley no fucking clue what they are talking about and say a bunch of dumb shit in order to make themselves seem smarter
dumb shits example: one stereotype talking down on another stereotype without even trying to understand their point of view. also, people who mimic others.
note: some domb shits ussually end up in danger.
by spawn of Von Devil December 27, 2008
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a person that is stupid, retarded, or just plain ignorant; a combination of a dumbass and a shithead; also known as an asshead
kyle: yesturday my little brother van was playing videogames while jacking off and he squirted himself in the eye
jack: wow! your brother's such a dumb shit
by p.o.b.forever December 26, 2009
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