When you dip your balls into a person's mouth while they're sleeping and wake them up so they wake up to your balls in their mouth
Person 1: dude, I'm gonna give him some moist cookies
by Moist cookies November 7, 2014
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Basically stemming from, "take that cookie" or "take you're cookie", if someone tells you this, it is like saying, "keep that seat warm for me" but they want you to keep your ass ready for them so when they tryna take it, its nice and soft.
Keep That Cookie Moist for me for when I come back around the block tonight
by OlneyNigga1 December 31, 2022
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