2. A similar part in some invertebrates.
Synonyms - see vagina, poon, cunt, twat, pussy, etc
"I think I popped my cooter bone out." -Lindsay Lohan, Appalachian Emergency Room (Saturday Night Live)
Apparently SNL likes to use that word...
and if you can find one to call your own you better eat it up- cuz the cooter changes aliances fast!