twalips
Shortening of "twat lips", for the female genitalia, the "labia", or, as us blokes call it, "pussy lips!!!"
"Shut up, love, unless you would like a swift, hard kick in the twalips!"
"And so she spread her legs, and I licked the fuck out of those twalips!"
"And so she spread her legs, and I licked the fuck out of those twalips!"