noun
Also bad-mouth
Also bad-mouth noun 1: Esp. among African-American speakers: a curse or spell. (1835 —) . H.M.Hyatt I have known of people that have had the record of saying that they could put a bad mouth on you (1970). 2: Evil or slanderous talk; malicious gossip; severe criticism. (1970 —) . Fortune The bad-mouth went out over the CB network. Every accident was blamed on the anti-skid brake (1979).
[Translation of da na ma in the Vai language of southern Liberia and Sierra Leone, or of some similar expression in various other African or W. Indian languages.]