When someone sells you drugs that have been severely cut for the same extortionate prices, or steals your drugs away from you
"I bought this gram of ket for £15, I sniffed half of it this morning and I'm still sober'

"I'm gonna mug off my brother over this cocaine"
by Nakawoopahkapooski December 29, 2010
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Having someone masturbate you with one hand, then catching the jizz in a mug that they are holding with the other.
"I met an interesting girl/boy last night. Gave me a right good old mugging off."
or
"I was down at Whatever Bar this weekend. The number of people who were looking to get mugged off was surprisingly low" / "Really? There must be a mug shortage in town".
or

"Had a disappointing evening. Got mugged off with a flimsy plastic cup." / "Well, ceramics is a dying art."
by autodefa June 12, 2015
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When your mates do you over in gta 5
Oi Haseef u bastard, you mugged me off
by aasim10 April 1, 2015
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Don’t Mug Us Off! consists of three pals that have jokes, drink low price cider and throw shapes. The bands message and religion (low price cider) is portrayed in their brutal sound which is delivered with such energy and raw power that it will leave the listener casting serious loner shapes. The brains behind the jokes are Ads, Jess and Robb, three pals who always have each others backs and won’t let any outsider mug them off infront of their pals. The trio met at CCCU and it was in the first week that Robb and Jess became good pals. They had seen Ads around and had safe chats but one special night drew Ads and Robb close together; When both battered from seperate nights on whisky and lager they threw the most immense shapes to Norma Jean and the chemistry was evident for all to see. Jess on this fateful night was being mugged off in a way they all learnt to stand against, because his pasta bake went cold. It wasn’t, however, long before they all bonded through their shared love of cheap cider, pro evolution soccer, casting shapes, beatdowns and mackin’ on (each others) honeys - thus the epic trio was born. The trio have received rave reviews from their pals for being such jokers at their private shows and in general everyday life. The band also welcome guest appearences, including Radu ’The (Romanian) Vulture’.
A band called Don't Mug Us Off! who play hardcore tunes.
by J.Lace April 24, 2008
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taking for a ride like a hooker, taking the piss out of.
He's borrowed more cash from me, he's mugging me off like a 2 bit
by Custard October 5, 2006
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