What is Dumb-fuck?
1.
stupid person, retard
Dude, you're such a dumb-fuck.
See
2.
someone without brains,clueless
alex melander: pretends to be other people online
EG: "You know that Totten kid, he's a dumb-fuck"
See
3.
someone without brains,clueless
Dan Totten: pretends to be other people online
EX. "You know that Totten kid, he's such a dumb-fuck"
See