Pruperv

Pruperv.... a person who is outwardly prudish but inwardly perverted.

She's a pruperv, a lady in the streets and a freak in the sheets

Pruperv by keyboardplayerrich May 16, 2019

PrePerv 

Boys, usually in middle school, who are just learning all of the perverted jokes and repetitively keep using them at all the wrong moments, ruining the humor in the jokes.

Charlie: "Hey, how are you?"
Miles: "THAT'S WHAT SHE SAID!"
Charlie: "Uh, what's up?"
Mile: "THAT'S WHAT SHE SAID!"
Anna: "What a preperv..."

PrePerv by Anna Hedgehog June 14, 2008

Preperverted 

Someone who does perverted creep things before a special event

Taylor Swift is preperverted

Preperverted by Snorlax121111 March 4, 2017