When an individual places their face between the buttcheeks of another individual. The penetrator then proceeds to stick out their tongue and violently shake their head back and forth. During this exertion the penetratee clenches their buttcheeks and presses the second person's face in between them.
Marc used his giant buttcheeks to engulf Michael's face for an unforgetable assmotorboating.
by gaysasquatch December 02, 2010