bootybuilder
A girl who's main goal with gymming training exercising etc is to "build" a hot butt
"Did you see Becky at the gym?"
"Yeah, she's such a bootybuilder"
"Yeah, she's such a bootybuilder"
bootybuilding
A sport practiced by hot gym bimbos who mainly work the glutens and legs to get the perfect ass to please chad
The bodybuilders are all crowding around the bench press and the bootybuilding girls all around the leg machines and yoga mats