noun - 1. an invisible and often malevolent entity that can only originate from the human rectum; the common fart generally lies dormant until the host expels it.
verb - 1. to forcefully expel or passively allow a unit of gaseous particles from one's rectum.
aka, "blasting the butt trumpet"
"Dude did you just smoke anus?"
by Nina Rees June 14, 2008