When you automatically throw your free arm across the body of the passenger in your car when you come to a quick, unexpected stop.
by Kasey Jo May 15, 2007
When your mom stops the car suddenly and try to protect you by putting her arm across your chest but she just ends up karate chopping you in the throat.
by Chaoticgamer February 11, 2020
The arm, specifically the right arm, a mother (or other driver) uses to protect the person in the passenger seat when they slam on the brakes. This arm is quickly forced in front of the passenger to ensure they do not move the, roughly, three inches they would normally go forward during an abrupt stop.
by vades May 23, 2007
Having a great body but have saddle bag arms. From afar the illusion is the arms look buff. Widely used reference to Man-At-Arms from He-Man.
by Spf100 June 17, 2018