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
by Red-headedRocker April 18, 2010
Balls Stuck To Leg. Usually occurs when a man gets sweaty after working out or after making love in the back room, the man puts on his jeans and the testicles become stuck to either leg, usually very annoying when sitting. May irritate skin when pubes become caught in between
Mack: Damn it, my balls are stuck to my leg again. FUCK! Rob: yeah you call it BSTL, I get it after having hit sex With Tyler's mom.
by Robmister547 March 18, 2010
BSTL is sometimes used as an acronym for "Bag stuck to leg". A BSTL is a very uncomfortable moment experienced by males when their ball sack gets stuck to their inner thigh.
by Ronnie1134 June 24, 2010
means after hard day of skating your balls are sweaty and they get stuck to your leg aka Balls Stuck To Leg
by Shane Burton May 19, 2003
The acronym for "Balls Stuck To Leg", which reffers to when a male's testicles are stuck to the side of his inner thigh.
Joe: "Hey man, why do you keep grabbing your balls like that?"
John: "BSTL, man"
Joe: "Oh, that bites."
John: "BSTL, man"
Joe: "Oh, that bites."
by d00d_M@N_ur_1337 October 13, 2009