Moist: When a female becomes sexually aroused.
Potato: A person who is brainless and unaware of anything.

Moist Potato: A sexually aroused brainless girl.
Person1: Hey, I think that girl likes you.
Person2: Yeah, but she’s a moist potato.
by trollmeat January 1, 2018
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When a woman takes a baked potato and pushes it into her wet vagina. Then she squeezes the contents of the potato out and a man eats it.
by Weinerbutt May 6, 2014
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