ding·us ˈdiNGgəs (noun) NORTH AMERICAN SOUTH AFRICAN (informal) used to refer to something whose name the speaker cannot remember, is unsure of, or is humorously or euphemistically omitting. "here's a doohickey—and there's the dingus"OOOORRRRA person or animal that displays stupidity or does something disappointing. A different and possibly more polite way to call a friend, pet, or stranger a dumb ass, shithead or fool.