"Pack it. Punch it. Pass it." a term used typically for bong rats, when sitting in a group of two or more, one person seems to linger a little too long, and an encouraging friend wishes to hurry up his high.
*bong is passed around. linger boy comes up.* "pack it punch it pass it dude. we haven't got 'till christmas." *friend struggles* "yeah The Three P's man. work with us here."