1 definition by Skeet Dawg

Any disgusting action done on mass transit - particularly airplanes - that ought to qualify individuals for the No Fly List and thus relegate them to Greyhound Buses for all future travel.

This can include masturbation, sex, public defecation, public shaving and more.
Vascular D was caught greyhounding by the person sitting next to him on the flight. He will never fly Wizz Air again.
by Skeet Dawg April 6, 2022
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