Balls Stuck To Leg: When a man's ballsack skin sticks to his legs. Often causes embarrassment, as the only treatment is to grab your ballsack and pull it away.
Guy#1 :Stop touching yourself, you sick pervert!
Guy#2 :What? I have some serious BSTL.
Guy#1 :Don't you hate that?
Guy#2 :What? I have some serious BSTL.
Guy#1 :Don't you hate that?
by IBacon IBits November 17, 2009