1. The act of ditching your friends for a girl that you think you can get some pussy out of.
2. Letting a so-called pussy, otherwise your girlfriend(s) or booty-call(s), control you enough to where you basically become their slave and you can't stand life without them.
3. The equivilant of an alcoholic but with pussy or something in that general sense.
Guy 1 "God that queer is so pussy-whipped!"
Guy 2 "Ya I know I can't believe he's ditching us for the bitch with pussy-teeth"
Pussy-Whippee "I can still here you bastards and at least I'm getting some. So there, who's the queer now?"