Top definition
Refers to a stinky and rather dirty coochie.
A girl who does not use daily cleansing habits would have a RAUNCHY CHAUNCHY.

Sandy: "Ew that girl smells like shit her raunchy chaunchy is exploding she is so DIRTY it is dripping on the floor...her chunky monkey is stinking up the room."

Dina: "Damn Poochie Coochie!....Clean up yo raunchy chaunchy!"
by Sandy and Dina March 01, 2007
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