Yankenstein
A woman who is too nasty to have sex with, but you'll allow her to yanky-yank on your pecker, as long as nobody will find out.
I was so horny that I let this Yankenstein jack me off behind a dumpster.
She's so ugly she could never be my girlfriend, but I'd let her be my Yankenstein.
She's so ugly she could never be my girlfriend, but I'd let her be my Yankenstein.