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A combination of twat and ass.
I totally just cupped that girl's twass with my entire hand!
by SuperStripper January 28, 2011

Words related to Twass

taint ass choad gooch painus pum twas twat tweener
That area of skin which lies between the "twat" (vulva) and "ass" (anus) on a female's gentalia; Also known as the "taint" or "choad" for females; "tweener" for both males and females; and "painus" for males.
If you wanna' make sure she's enjoying your oral escapades below her belt reach beyond variety and repetition and frequent the perimeters--especially her clit and twass.
by Delphine O'Reilly June 13, 2008