A squat Thot is a female Internet personality usually on Instagram(not to be confused with insta-Thot)whose entire persona is based on being fit and in shape. She uses her ability to do squats, that form her shapely backside, which in turn gets her sponsorship, which makes her rich.
Thots who crouch in group pictures, to make themselves look small and cute, even though they are wearing heels.
Squat Thots also typically complain that men are too short, despite them wearing heels.