Anything can be a mug. A mug is whatever you think it is.
John: "Yo you tripping like a muggin mug on mug."
Philip: "What the fuck is a mug."
In British Slang, it is used as an insult with many meanings depending on the context, ranging from dumb to gullible to even annoying.
It's also a cup with a handle or something idk
1. Oi wanker stop being a fuckin mug and give me the remote control right now
mug
your or another person’s face
(popularized by the discord packing community)
derived from mugshot
Tae: Gurl lemme see her mug
*chat posts her mug*
Tae: i- anyways chile
i relate to that
i f*ck with that
Layla: " Ariana Grande's new album is so good"
Me: " I know! I mug with it so bad"
diligent - meaning hard working/dedicated
mug - british slag for fool
See Nathan over there? He's a diligent mug fam
A Carp anglers definition for a fish that has been caught more than once in a session
Dan "look at this carp I just caught", James "that's a mug fish, you caught it last night"