mucky pup 

A messy person, someone who is prone to spilling things on themselves. Usually applied to children.

Oh Tom! you've spilt your cereal, you mucky pup!

mucky pup by Hectic Heather September 17, 2005

Muckbang 

Eating a large amount of food while talking about on video or streaming.

That bitch got fat muckbanging all the time.

Muckbang by Oldschooljoe March 10, 2018

Muckmouth 

Someone who swears a lot.
Can also refer to semen in the mouth of a girl (or boy).
Also a skateboard magazine based in New Zealand.

Alex was wanking in the bath and the jizz landed in his mouth. Bloody muckmouth.

Muckmouth by nobjockey101 October 28, 2008

Muckin' Bin 

Eating Vagina with the entire mouth.

Andrew decided to muck Jenny's bin after a long sweaty hockey practice.

1. Andrew unzipped her pants, enjoyed the aroma of the exposed vagina, which inhibited his performance of muckin' bin.

2. Must be done long enough to ensure the web beneath your tongue is in excruciating pain the next morning.

Technique: Variety of different ways which include the Jawbreaker, the PleasureTreasure, the Dangling Worm, the Meat Grinder, or the Full Throttle Muck.

Muckin' Bin by MeatWallet April 15, 2009

mucks and messes 

Mucks and Messes consist of chocolate, crisps and fizzy drinks.
things that children tend 2 love but are no good for them.

Things that will get you messy eating them.

junk food

'I'm not buying Mucks and Messes they will make u fat!'

mucks and messes by bettny December 30, 2012

Muckspreader

A term used for a larger than normal pair of buttocks

Omg check out the size of that muckspreader !

Muckspreader by Mickyblueeyes November 25, 2018

Muckle Buckle 

Clam Bag Tea Bag

After a Teabagging incident, Sheila decided to get her own back by attaching her Muckle Buckle to his face while he slept.

Muckle Buckle by MilkyBarKid NI August 15, 2019