the act of defecating into a tube sock, and slinging it around, releasing it in the direction of a large person, as in the biblical story of David and Goliath. If properly executed, the dump-filled sock will splatter on said large person.
"My little brother totally tried to Dirty David my dad when he took his phone away last night!"
by Squawkin' Ibis August 30, 2011
A chilli dog with no bun.
I ate a dirty davidfrom 7 eleven but asked for no bun. Uhhhh
by Nickw April 28, 2015