One who pussys out and bitches. usualy resulting in someone flaking on you.
Tucker was being a puss-bitch at the camp out
one who pussies out, and complains like a bitch. this term is becoming more and more popular.
dude 1: "dude this is such a great camp out. too bad there's a panther running around here. lets just stay up all night and see it"
dude 2: "yeah im gonna go to sleep so i don't have to stay up and see that"
dude 1: "dont be a pussy"
dude 2: "that shits scary"
dude 1: "dont be a bitch"
hence the name... puss-bitch