1 definition by gapppo

grumpasaurus

A dinosaur that is exceptionally grumpy, this term can be used to describe a woman when she is grumpy especially if she also looks like a dinosaur

guy#1- omg susie was in such a mood today.
guy#2- yeh and she is so fucking ugly
guy#1- what a grumpasaurus

by gapppo June 8, 2010