When a woman bends over and you can see her maxi pad through her pants, specifically near the gooch area.
Holy crap why is that woman bending over? She has a serious case of Dinosaur Butt.
by Dinobuttluvr June 29, 2012
When a female simply has an ass as big a Dinosaur
Yo Bro, look at that girl; Damn she got a dinosaur butt
by kyhamil99 February 22, 2015