a pair of jeans in which every teenaged girl owns at least one pair with the soul purpose of making the girl's butt look good. butt jeans are different for every girl's unique figure whether they're extra tight in the right places or have curved seams but they all have the same purpose of making a girl's butt look good. and every girl owns at least one pair of butt jeans
girl1: I like your jeans
girl2: thanks these are my butt jeans
girl1: how the heck does your boyfriend get those off?