To brake suddenly in order to cop a feel while "restraining" your passenger from being thrown forward.

Referring to the heavy unfashionable winter jacket and patterned mittens Sanders wore to the inauguration of Joe Biden.

Frank Costanza's "move", which he claims to have used on Estelle Costanza circa 1955.

It involves the driver hitting the brakes in a moving vehicle, suddenly (stopping-short), and throwing out the hand closest to the front seat passenger's chest, as to stop them from being hurled towards the dashboard; inadvertently, groping the passenger's chest in the process.

When the driver is on a date and pretends to stop short in an emergency situation, hence putting his arm out as if to stop the passenger from flying through the windshield. But what he is really doing is feeling her boobs...