[bad-mouth or, sometimes, -mouth] 
| Slang. to speak critically and often disloyally of; disparage: Why do you bad-mouth your family so much? |
| bad·mouth or bad-mouth (bād'mouth', -mouth') tr.v. bad·mouthed or bad-mouthed, bad·mouth·ing or bad-mouth·ing, bad·mouths or bad-mouths Informal To criticize or disparage, often spitefully or unfairly: "those cross-Atlantic aficionados who persistently idolize the British theater and bad-mouth Broadway" (Benedict Nightingale). |