The man makes his penis swing in a circle in such a way that it resembles the helices of a helicopter. The partner, puts it's face progressively closer until being slapped continuously.
Man, I was such a great Helicock sucker last night, my jaw still hurts.
It means the perfect booty defined by some hood guys from the area of "Annecy" France
She has a Gara like crazy my bro.