Typically a Middle Schooler or Elementary School child who "Mixes Coochies" ( Has Sex ) in the hallway. Also confused with Kissing Privates.
GirlW: Omg. Look! GirlB and BoyC are TOTALLY mixing coochies!
BoyJ: That's hilarious.
GirlG: No, it's gross.
GirlM: They're Coochie Mixers!!
by wowierat666666 September 30, 2019
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