Jack stick

Douchebag. Self centered, opportunistic, and untrustworthy. His kindness, charm, and friendships with others are his toolset to maneuver toward his own selfish desires.

That guy who just flew in on his friends jet to the charity event is such a jack stick.

jacking stick

A smaller girl, usually around 120 lbs, that when sitting on your penis, you can wrap your arm around and jack yourself off with her entire body.

My side chick is a smaller girl so I use her as my jacking stick when I'm fucking her.