The weiner fan is when a man gets picks up a hooker and when they're alone and ready to go she'll kneel and the man will spin his penis like a fan, smacking her face multiple times in a row.
"Yo my dude i just weiner fanned his slut last night"
A Male or Female that is a fan of a sports team , but once they start fucking someone new , they become a fan of whatever team that new person is a fan of .
Karen used to be a cowboys fan for twenty years but now that’s she banging Dave , she’s a eagles fan , what a fucking “Fair weiner fan”