人の噂も七十五日（ひとのうわさもしちじゅうごにち）

Japanese vocabulary

Meaning: a wonder lasts but nine days; gossip lasts just 75 days

See it used in real works

• Example sentences from Japanese novels & web fiction (Massif)
• Hear “人の噂も七十五日” pronounced in real videos (YouGlish)