Holding down your girlfriend's head when you come during a blowjob, then farting in her face and breaking up with her. She will be disgusted, that's the best part.
(n) The dishonorable discharge came into popularity during the Vietnam War when sailors found that the local prostitutes loved having men fart into their mouths. They combined this sex act with the embarrassment of being kicked out of the Navy to coin the term.
2.) The act of ejaculation, whether self stimulated or otherwise, for which the primary mental stimulation is of someone forbidden; eg. Ex-Girlfriend, Girlfriend's sister, Your sister, Your Mom.