Definitions by Ronnie1134

BSTL 

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.

Jonny began to walk funny as he was going down the street while he was trying to sort out a BSTL.

BSTL by Ronnie1134 June 27, 2010