The psychological sickness one contracts when Mumfords and Sons backs out as the headliner of the music festival you're attending. Symptoms include, but are not limited to: intermittent frowning, being teased by your peers and randomly storming off in the middle of the show that replaced Mumford and Sons.
"Janet was really looking forward to seeing Mumford and Sons play at Bonnaroo this year. When they were suddenly replaced with Jack Johnson, she came down with a bad case of The Mums."
by Chicketychina11 June 21, 2013
Get the The Mumsmug. by Kbgetsit July 29, 2023
Get the Kayden said suck your mummug. sssssssssssssssssssssssssssssssssssssssssssssshhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhheeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeessssssssssssssssssssssssssssssssssssssssssssssshhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
by Triple H WWE April 2, 2022
Get the your mummug. by mrs tosser September 20, 2025
Get the nigels dead mums pension bookmug. my favorite person on Earth
by veryclosefriend26 November 22, 2021
Get the Your mummug. by hewpro November 8, 2021
Get the okis mummug. 