Used as a general term of approval/encouragement upon hearing a statement which you agree with. Derived from the English word 'up'. Origin: Ireland
"Do you know that Weso is from St.Mary's Mansions?", "is he? mup the flats!"
"Did you hear the town are in the county final?", "mup the biys!"
"Did you hear the town are in the county final?", "mup the biys!"
by Activities Elk May 25, 2020
Get the Mupmug. by Rocket launcher man June 14, 2019
Get the Mupped ouvitmug. by No way jose not today June 20, 2021
Get the Mupmug. by Better google March 28, 2025
Get the Mupping itmug. by poopoodoodoo69420 October 19, 2021
Get the mupmug. 
