2 definitions by Richie Phillips
Act of putting your finger into your butt crack or hole, then running or rubbing same finger under the nose and across the lip of an unsuspecting friend.
by Richie Phillips August 16, 2007
When a man lays on his back, with legs thrown over his head and masturbates, finally attempting to ejaculate into his own mouth.
I got home early yesterday to find my roommate head over heals in the living room giving himself a Dirty Avalanche
by Richie Phillips October 11, 2007