A fork of Rural Dictionary
1. A synonym of the word DUMB, usually meaning ' A man with inferior knowledge'. Often used as a joke and is funny.
2. Is a child-friendly version and doesn't imply that you are saying 'he cannot talk'.
3. Is a adjective, verb and adverb.
" Stop being a Dumb-dumb"
" That is not how to play, Dumb-dumb"