Someone who lacks any grammar whatsoever. People who spell nearly every word that they type in slang.
by german bum April 30, 2003
Get the Dumbassmug. Barack Obama is a dumbass.
by smartass inc June 1, 2013
Get the dumbassmug. by SoberVoter December 3, 2004
Get the Dumbassmug. The entirety of the human race
by Dank idiot December 28, 2016
Get the Dumbassmug. Damn Barack, stop being such a dumbass and actually do something meaningful and useful with your term
by Chasecarman May 25, 2016
Get the Dumbassmug. 
