Tattushy 

A tattoo on one's posterior

Susan got a tattushy of lips on her right butt cheek!

Tattushy by DLH12345 September 3, 2011

Tattussy 

A woman's tattoo, located directly above the vagina.

That chick's jeans are cut so low you can see the top of her tattussy.

Tattussy by Jail18 November 2, 2011