Leaning backwards while touching your crotch region to an object or other living thing, as if you were humping it, and then holding that position. A higher form of Freeze Thrust includes letting your arms hang behind your body mid Freeze Thrust. Eye contact is always an objective while attempting to Freeze Thrust properly. Freeze Thrusting is a more advanced form of planking.

the art of remembering an arousing occurrence or some porn you watched while masturbating, often handy if you have no porn or your in the shower