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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Random Words:
1.
Switching rapidly across three lanes of traffic without checking your blind-spot or signalling.
Normally practised in Alberta by mullet..