[bad-mouth or, sometimes, -mouth]
- Slang. to speak critically and often disloyally of; disparage: Why do you bad-mouth your family so much?
Origin of bad-mouth
1935–40; originally a curse, spell (the sense recorded in Gullah); compare Vai (Mande language of Liberia and Sierra Leone) dà nyà mà curse, literally, bad mouth
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for badmouthing
Viacom's billionaire owner wants to know who's badmouthing his girl-band pet project to The Daily Beast.Sumner's Witch Hunt
July 20, 2010
- (tr) slang to speak unfavourably about
Word Origin and History for badmouthing
"abuse someone verbally," 1941, probably ultimately from noun phrase bad mouth (1835), in Black English, "a curse, spell," translating an idiom found in African and West Indian languages. Related: Bad-mouthed; bad-mouthing.
Online Etymology Dictionary, © 2010 Douglas Harper