The Crease of the thigh and your hip.

The ass of the thigh.
Damn , her thass is so fine!
by _Hesh_ April 27, 2018
Get the Thass mug.
That crack when your thighs and ass come together.
That thass is lookin thassy👌🏾
by Mjdidntdieiswear December 9, 2016
Get the Thass mug.
where ones ass and thigh look like its merged together
Look at the thass on him, he shouldn't wear football pants.
by ilovemanning10 September 11, 2008
Get the Thass mug.
That small area on either a male or females body,that is right between one's ass and one's upper thigh,could be the crease or just that area that on some people just blends together.
Oh that hurts, a spider just crawled up my leg and bit me on the thass!
by 4you May 7, 2009
Get the Thass mug.
The are area of the body between your ass cheek and your thigh....
Thass nice.
by TIVA November 19, 2015
Get the Thass mug.
similar to cankles, but pertaining to the "ass" combining with the "thighs".
Man, what's with her thass? I can't tell where her thighs stop and her ass starts!!!
by Nateus April 17, 2010
Get the Thass mug.