Shortened version of “motherfucker”.
“It’s hot as a mug out here.”
“I’m high as a mug.”
When Abi let’s her man not answer for 5 days and forgives him
He’s talking to his ex and you’re still fucking with him, you’re a Mug
mug is a insult directed to people who abuse drugs or looks like they do.
mug can also be replaced with crackhead.
that guy looks like a total mug.