" mucking up "

 [ "mucked up" ]

1: A combination of fucked up and messed up

  * e.g.,  ... Person 1: What happened? 

 [ "Mucked UP" ]

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

  * e.g.,  ... Man thats really Mucked Up how U snitched 

 [ "Mucked up" ]

1: To have messed up, to have made a mistake

  * e.g.,  ... I mucked up when I went after him. 

 [ "mucked up" ]

1: The unordinary, unpleasant state of being exuberantly mucussy.

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

 [ "muck up" ]

1: To ejaculate on a girls face

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

 [ "muck up day" ]

1: muck up day is usually when year 12s do a prank similar to senior pranks. mostly used and done in australian public schools

  * e.g.,  ... P1 : What are you doing for muck up day? 

 [ "mucked up cunt" ]

1: when a woman's vagina and rectum fuse,then ulcerate, causing feces to come out of the vagina.

  * e.g.,  ... i would not want to be a mucked up cunt, or go down on one either. 

 [ "muck it up" ]

1: 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.

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

 [ "Muck It Up" ]

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

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

 [ "Crate Muck-up" ]

1: The time period when Valve released a TF2 update with spaghetti code that forced the crate series to always drop unusuals. This resulted in the unusual market crashing with absolutely no survivors left.

  * e.g.,  ... The Crate Muck-up was one of the worst disasters in TF2 history.