Noun -- (origins: Lingo used by car salesmen 1940's to 1970's, slang) A Snarf is someone who can fit his, her, or its, mouth over a horses ass and blow the harness off.
Verb -- snarf, snarfed, snarfing, snarffled, snarffling, would have snarfed; generally means drastic reversing airflow.
Noun -- The Snarf was outdone when his date suck-started his Harley.
Verb -- To display his prowess, he snarfed when he pressed his lips around the sizzling muffler while the Harley was running, and blew the rings off the pistons.
When a person sticks their hand down their pants and grabs ahold of their sweaty ball sack and then shakes someone's hand. Usually done to an enemy of said person.
Ol' Johnny couldn't find a rock, so he decided to snarf the bastard instead.