mup the sesh

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 anonymous November 16, 2017

mup the sesh

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 April 19, 2018

mup the sesh

Cork slang, used when a gang of friends go and have a great night drinking alcohol

"Dean kearney has 24 cans of tesco lager, mup the sesh!!!

by Coldones April 19, 2018