picayune virgin
A girl who has anal sex in order to "preserve her virginity." A picayune virgin often will claim she is a true virgin regardless of how many times she has been anally penetrated.
"Hey, did you know Josephine calls herself a virgin?"
"Seriously? When we were together we had tons of anal!"
"I know, she's a picayune virgin, man."
"Seriously? When we were together we had tons of anal!"
"I know, she's a picayune virgin, man."