the crease where the butt ends and looks like it tucks under. Only viewable on big booty chicks.
DAMN!!! Look at the butt tuck on that broad
25👍 11👎
When one tucks their butt to hide their boner.
"Man, We can't hug right now. I just saw the hottest girl and now I'm butt-tucked"
"You couldn't even call that slow dancing... His pelvis was more forward than his shoulders. So freakin butt-tucked"