creeper
n. C2 Proficiency UK //kɹˈiːpɐ// creep·er
n. a very rude or offensive name for a woman. It is a very informal and vulgar word that you should not use in polite conversation.
n. a highly offensive and vulgar term of address for a woman.
He used a very rude word to call her a creeper.
The sailor was reprimanded for calling the female officer a creeper during the meeting.
From Middle English crepere, from Old English crēopere, equivalent to creep + -er. Slang usage derived from phrase give the creeps or creep out (distinct from merely one who creeps).