smear campaign
中傷キャンペーン、組織的中傷、中傷合戦
attack ad
borking
deception
discrediting tactic
mudslinging
psychological manipulation
red herring
red-baiting
syncretism
shame campaign
swift boating
Tone policing
whispering campaign
/suto3/google.iconsmear campaign
image smear campaign
define smear campaign
wikipedia smear campaign
weblio smear campaign
kotobank smear campaign
jisho smear campaign