1. When a man spins his penis in a similar fashion to a helicopter blade and repeatedly slaps his partner in the face. It is also known as "The Sprinkler" when the same maneuver is done during climax.

2. A wrestling move. In specific, a wrestler jumps from one of four corners into the air and spins hastily in the fashion of a helicopter blade, and then landing onto the opponent on the floor.
1. "Oh, he did The Oklahoma Helicopter last night and it really got me wet."

2. "Oh my god, what a devastating blow! That Oklahoma Helicopter may have knocked him out!"
by SatanWithoutHorns September 16, 2018
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