Country Dictionary

After a good doggie style romp, the jizz left on the tip of your cock gets rubbed into the chicks bunghole. A little poop gets mixed in during the rubbing and you muck it up.

After banging the bitch doggie style, I blew on her back. Then I mucked it up for a bit, before banging her sister.

Muckit is when you take your cock and push it around in your bitches asshole...you smoosh around her shit and your gizz.

After I was done banging my bitch, I mucked it up.

A combination of fucked up and messed up

Person 1: What happened? Person 2: Oh my god, I mucked up

Messed Up, Fucked Up. Somethin u did or a place.

Man thats really Mucked Up how U snitched

To have messed up, to have made a mistake

I mucked up when I went after him.

The unordinary, unpleasant state of being exuberantly mucussy.

Person 1: man, I've been feeling really mucked up recently. Person 2: How do you mean? Person 1: ja know, just super mucussy

To ejaculate on a girls face

Put your balls in her mouth and get her to hum until you muck up on her face.