Basically meaning motherfucking but said in a less disrespectful way
He be watchin us like a mug
Its Like tea time, but BETTER! Coffee, tea or ANY other drink!!!
(random guy)- that would be perfect for a urban dictionary mug. Mug time!!! Mug time...
(random guy) - yep.
when you buy a mug in urbandictionary.com
Wow! Look at that! You bought an urbandictionary.com mug!
Mug Fuffin - An insult used to describe someone who has acted in such a way which causes you to call them a Fuckin' Mug/Muffin. However in the anger/passion/frustration of your insult, the words have been jumbled.
"YOUR'E SUCH A MUG FUFFIN!" - "Oi that lad is a bit of a mug fuffin' int' he"