The placement of one's mouth and cheeks between another person's butt cheeks, followed by a rapid shaking of the face in a side-to-side motion accompanied by making a vibrating "brrrr" sound by blowing air out through floppy lips.

Named after motorboating, where the resulting sound that is created sounds similar to an outboard boat motor.

Running for exercise and picking up trash you find along the way. It's good for the body, mind, soul, and environment! Started in Sweden but is making its way to the U. S.