1 definition by Trent Bailey (Mr. Mr.)
Checking your pockets before leaving for the three necessities: Phone (hollerbox), wallet, and keys. To pat the left, right, and back pocket ensuring you have your belongings. A stoner's best friend.
"Scrubby always performs the Three Pocket Pat when he leaves, because otherwise he is sure as shit to forget something."
by Trent Bailey (Mr. Mr.) November 13, 2007