jackin' lumber
to jack someones lumber or to be jackin' lumber lumber is basically to give someone a hand job.
Guy:"wanna come over tonight and jack my lumber?"
Girl:"eww, thats disgusting I'm never even going to touch you perv!"
Guy:"oh come on, its not like you've never been jackin' lumber before"
Girl:"Fuck You!"
Girl:"eww, thats disgusting I'm never even going to touch you perv!"
Guy:"oh come on, its not like you've never been jackin' lumber before"
Girl:"Fuck You!"
lumber jackin
Smokin weed, in refference to cutting down "trees". Bay Area
Chris and Jay Be Lumber Jackin like a muthafucka.