A very wet vagina. A term used for extremely horny females who are ready to take their pants off.

Can be used as a verb as well.
I only talked to her for 5 minutes and she already had a "wet sponge" for me.

I thought her water broke but she just had a really "wet sponge."

She was "wet sponging" all over the place. I heard she was in 3 different orgies at the same time.
by crawfisch February 03, 2012

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