A cup that could be a mug or vice versa.
That cup looks like a mug, or a cup, oh wait it's a Mup!
by MugCup February 24, 2013
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Having a great time seshing (drinking underage) with your friends or colleagues commonly used in Ireland
Boy:here pass me a can of druids bud
Other Boy: Here... Oh And MUP THE SESH
by November 16, 2017
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when d boys are on d sesh and Gustav comes with the 24 pack of galahad the boys shout "MUP CANS"
hey reece weve got loads of cans to drink mup cans
by Optinate1 January 6, 2021
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It’s an Irish slang word often used as to say get out of it or express excitement
So you would say to your friend “ I am going on holidays MUP OUV IT
by Caoimhe, Emily and kellie June 10, 2019
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Cork slang , used when your having cold ones and its a banger,
"Dean kearney has 24 cans of tesco lager and he is on his way down! Mup the sesh!!
by Coldones September 9, 2017
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Morgan may say she's not a dyke, but she sure can mup it up.
by Poops Larupes July 15, 2020
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