What is Thumbcopter?
1.
When in doggy style position, twist your wrist inward to the "thumbs down" position. Place your thumb over her bung-hole and move it back and forth in a circular motion, much like the blades of a helicopter.
Girl to guy: "Give me the Thumbcopter!"
Guy to guy: "I Thumbcoptered her last night - dirty girl"
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Something a lot better than fantastic
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1.
Vaginal fluids accumulate to the point, where, during sexual arousal, the fluids are ejected in a manner similar to male ejaculation.
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