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1.
Thighjacking (Verb/gerund) When a man uses his thighs to stimulate himself inconspicuously in a public place, such as on an airplane.

Thighjacker (Noun) A man who uses his thighs to masturbate hands-free on an airplane; An armless man who maneuvers his inner thighs to stimulate himself sexually.

Thighjaculate (Noun) the product of a thighjacking.
The woman was both aroused and confused when she witnessed the thighjacker thighjacking in the seat next to her during her overnight flight to New York City.
by MrEgitziaDeBelmar August 13, 2010