To score dope, drugs, or any other contraband substance. Also, to send someone else to do the same thing for you.
"Yeah, I have to go to the methadone clinic later, but I gotta hit the corner and regrip first..."

or

"Hey, I'm kind of busy right now, do you want to see if Matt will go regrip for us?"
by TheMutherfuckingG July 20, 2006
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