badmouth

Verb badmouth has 1 sense

• badmouth(v = verb.communication) drag through the mud, malign, traduce - speak unfavorably about; "She badmouths her husband everywhere"
is one way to asperse, besmirch, calumniate, defame, denigrate, slander, smear, smirch, sully
Sample sentences:
Somebody ----s something
Somebody ----s somebody