Top Definition
1.A moistness triggered by sexual desire often experienced by lesbians. Only experienced by women, never men. Unless they're TG.

2. A dampening sensation experienced by women that have unreleased sexual desires.

3. Moist vagina.
That chick was rubbing all over me... I could feel her runny coo on my leg.

UGH! That lesbian rubbed her runny coo on me!
by BedGoblin July 27, 2010

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