party pony
A pony tail placed on top of a girls head, meant to be swung around when dancing.
"OMG look at that girls hair!" "Girl I know, Beckys party pony is popping!!"
party pony pie
A pie in which you stick a plastic horse or pony figurine to celebrate a friend's birthday. Especially used if the figurine is Pinky Pie or is wearing a party hat.
We were too broke for candles this year and the store was out of cakes so we got him a party pony pie instead to celebrate in style!
party ponie
Party ponie(s) are any hairstyle, often slutty, that include a hair elastic and are believed to make drinking more fun.
Holly is wearing her party ponie out tonight, it’s getting wild.