Top Definition
Tits moving in a rhythmic circular motion similar to that of a helicopter rotor when fucked. Most commonly seen in larger natural breasts it can be induced in smaller breasts provided enough force is applied.
I was so mesmerized by your Mom's helicopter titties that I feel off your race-car bed.
by Mystic-X October 04, 2009

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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