When you have Sex in a nasty truck stop bathroom while the girl holds her hands and legs on the walls like Spiderman to avoid touching the floor and the Shit on the bottom of the walls.
"My girlfriend and I were driving home and decided to stop at a gross truck stop for a quick fuck, But there was trucker shit on the floor and walls so she had to do a DirtyMorgan so I could hit it from the back."
when you are a ranger and go to your boyfriends house and give head while his sisters friends are over and you decide to do it in the living room until it hurts.
The hypothetical man (often a sinistercharacter who decided not to go to boot camp) that is doing your girlfriend/wife while you are on deployment overseas.
Ain't no use in goin home,
Jody's got your girl and gone.
Ain't no use in goin back,
Jody's got your Cadillac,
Ain't no use in feeling blue,
Jody's took your checkbook too.