Definition
Alternative spelling of dumbshit.
How People Actually Use It
An adjective that can be applied to someone, usually for insulting purposes. Someone may get this label when: 1) Their stupidity provides anger or frustration to someone else 2) Their stupidity provides amusement, usually at their expense This word can be closely related to dumb fuck
"1) "Your a fucking annoying dumb shit" 2) "You have to be a dumb shit to fall for that""
Source: Urban Dictionary