Having a great time seshing (drinking underage) with your friends or colleagues commonly used in Ireland

when d boys are on d sesh and Gustav comes with the 24 pack of galahad the boys shout "MUP CANS"

It’s an Irish slang word often used as to say get out of it or express excitement

Cork slang , used when your having cold ones and its a banger,

To perform cunnilingus.

To pout, or be moody. Normally used in the Millheim, Pennsylvania area, and, sometimes, by Pennsylvania Dutch persons.

Mup is one of the worst insults of all time. I can only be said in the most dire situations