I recovered from Covid-19 from Sturgis 2020, but got a breakthrough case at Sturgis 2021 from another Dumb Dirty Biker.
by anonymous August 25, 2021
Get the Dumb Dirty Bikermug. by OnlySmiles March 17, 2024
Get the dumb as a lemonmug. Australian colloquialism used to describe a certain type of person who is both obnoxious and ignorant in their actions, to the detriment of themselves and others around them.
by ChenMcGen January 13, 2022
Get the Dumb-Cuntmug. "Dumb" is an adjective describing how someone does not know much or doesn't know anything about a subject that many others do, or just doesn't know much in general.
by poopystinkydumbmonke August 6, 2022
Get the dumbmug. by QweneT to u bitch March 12, 2023
Get the Dumb fucktardmug. 
