Polly Pissy Pants 

The need to use the restroom often and regularly, delaying other people.

Person 1 "Can you pull over at the next rest stop?"
Person 2 "What! Again? You just went 10 minutes ago, you're such a polly pissy pants"

Polly Pissy Pants by Dougie123 July 12, 2011

polly prissy pants 

A little girl doll owned by South-Park's Eric Cartman. She often likes to pretend to be Salma Hayak.

polly prissy pants by Anonymous September 21, 2003