thass 

the crease between a girls ass and thigh,creating a little line called the thass

bro look at that girls thass

thass by big boy jaxson July 2, 2017

Thass 

Thanos’ ass

Daaaamn, that THASS is fine

Thass by ThassFan October 1, 2019

thass 

thick ass

get that thass over here

thass by MANOFCHEEZE April 24, 2020

Thass 

The area where the woman’s thigh creases.

I would really like to touch your thass.

Thass by Mallie0203 August 21, 2022

thass rigghht 

Somebody bitch, after being told what to do and obeying

(Me)Tony sit down
(Tony sits down)
(Me)Thass rigghht you better sit the fuck down.
(Tony)Fuck you.

thass rigghht by marc_dank_stemz December 8, 2014

Thass Thursday 

A weekly excuse for you to make your significant other show off their thass.

Hey babe, guess what day it is… It’s thass Thursday!

Thass Thursday by VapeDragon December 30, 2021

thass weird

Used when you are in a giddy mood to emphasize how weird something really is. It has more punch than using the full word "that's" and has an ebonics tone to it.

If shaniqua wears her bikini bottoms over her pants, karamo says, "shaniqua, THASS WEIRD"

thass weird by pawna April 10, 2005