The portion of the female body where the thigh meets the ass. The roundness of the ass creates a
crease, similar to
cleavage. The
rounder the ass, the more pronounced the theavage.
"I was stretching with Alyssa before our soccer game. When she leaned back, I could
see right up her athletic shorts to her theavage."
"I was
waiting on the stair stepper at the gym and some girl's shorts were so short that I could see her theavage."