Dick-Proof Factor; A numerical indicator of a woman's tendancy to resist sexual advances.
Don't bother talking to that girl over there dude, she's at least DPF 75.
Dinner Party Faggot - a homosexual male, typically urban, sophisticated, and at least middle aged, who is on the dinner party circuit with other gay guys, and fag hags, where marveling over the dishes and the recipes is the norm. Probably can be done pot luck style, or by taking turns hosting.
"Oh man, there's this flamboyant DPF who works with me. He is always talking about the dinner parties he and his friends hold."
"Yeah, and someone would probably be rich if they had a dollar for every time someone said fabulous or festive about the different courses."