Top Definition
It's a kind of rock but I always thought it sounded like it could be another word for "butt-hair"
Freddy: Hey, did you get that answer on the geology test about pumice?

Me: Why would butt-hair be on a geology test?
by Diggity Dawg January 31, 2011
Pronounced: pümice - poomice.

a woman's inner thigh close to her vagina
The only foreplay I need to do is to gently stroke her pumice. I start with her left pumice, then work my way to the right.
by strider7 April 12, 2015
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