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an act that can only be performed while seated, by repeatedly bringing both thighs together as if clapping it but without the knees touching. While fidgeting is commonly driven by anxiety, thigh-mulation is done particularly to stimulate the genital region in a discreet thrusting manner.
In the coffee shop...
Girl 1 : Look at the guy on the next table. Fidgety like that, he must have had 10 espressos. And he's looking at us.

Girl 2 : I don't think so. He's just thigh-mulating himself over you.
by February 04, 2010
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