Derived from "sasquatch." Pretty much just a rugged ass man. As of right now the main example of a squatch is Rick Ross. Another term that describes squatch is the male version of "ratchet." Iced out, and tatted up individual.
"Damn check out Rossshirtless on BET!"
"Nigga's squatchin."
when you father was an engineering student, and you are in a private high school and playing guitar in the music band, if you are not a talented a carrot in god's potato field, you have done diddly-squat with your private education.