To get drunk. Furthermore, the amount of drunk you presently are can be represented by how much your cap is twisted. This is done by starting in the natural position and slowing rotating your hat clockwise to the degree of intoxication.
"Yo, I got my cap twisted last night!"

"Look at Rob, his cap is almost fully twisted."
by dirkdiggler9969 April 25, 2009
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In the hood/ghetto, to shoot/kill someone.
"Let's go get this fool's cap twisted"
"I'm gonna twist his cap"
"Fuck around and get your cap twisted"
by SlidewayzS13 November 15, 2008
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