Top definition
A really sexy animal. Half rat half donkey. Usually very sassy. Beware of the ratdonkey
by Raggidydoo October 16, 2016
Get a Ratdonkey mug for your father Günter.
Jul 29 Word of the Day
Someone who used to be a potential girlfriend/boyfriend, but no longer is.
Tim: Zack, is that your exgirlfriend?
Zack: No, she's an expotential. We never actually dated...
by brownsuite September 24, 2011
Get a expotential mug for your fish Yasemin.