A man who wears a silicone horse mask and dances around with friends who hold a boom box often playing dubstep. Party horses are quite popular at high school cross country meets. The horse and its maens are loved by all.
"Look at those cross country guys with the party horse, those maens are probably having a great time!"
by scxcrunner October 29, 2011
winx is not a party horse
by winx November 04, 2004