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A mug is someone who is behaving in a silly or strange way

Slang for a fool
John you’re such a mug
Mug by Sillypole June 16, 2020
Related Words
mug muggles mugly Muggins muggy mugshot mugg mugging mugwump mugga
A simple clean version for “mf” or “motherf*cker”
Jill: We are finally leaving Arizona!

Scott: We out this mug!
Mug by OhDaddyK August 29, 2020
Although people may think it means a cup or some shit like that, this is what you can say to someone being a dickhead and not get caught swearing in school or a place where there is people who are massive wimps. Also can be used to say fuck off you cunt but more discreat
Wait you done all the homework over lockdown? Your'e a right mug.
Mug by MAUREEN'S FAVOURITE September 15, 2020
The thing Urban Dictionary will ask you to buy
Urban Dictionary wants you to buy a Mug Mug
Mug by BreadTaken January 12, 2021
It has 2 meanings

1.a large cup, usually cylindrical with a handle.
2.The thing Urban Dictionary wants you to buy at all times
Man: what does the word "dick" mean?
Urban dictionary: a penis, also, I see that you are a 9 year old child who asked this question because his older cousin told him this word, who still lives with his parents and grandparents, DO YOU WANT A "DICK MUG FOR YOUR AUNT MELISSA???!?!! WHICH IS CURRENTLY DYING FROM LEUKEMIA????
Mug by mexicantoilet February 5, 2021