ディスる

でぃする
godan verb
to diss; to disrespect; to badmouth
1. to diss; to disrespect; to badmouth
To speak negatively about someone or show disrespect, often publicly or in a mocking way.
ディスられた。
I got dissed.
SNSで有名人(ゆうめいじん)をディスる。
To badmouth celebrities on social media.
(ひと)をディスるのはよくない。
It's not good to diss other people.

ディスる comes from the English "diss" (short for "disrespect"), originally from hip-hop culture. It entered Japanese through rap and internet culture.

REGISTER:
This is slang primarily used by younger generations and on the internet. In formal contexts, use 批判(ひはん)する, 悪口(わるくち)()う, or 馬鹿(ばか)にする.

COMMON PATTERNS:

  • ~をディスる: to diss someone/something
  • ディスられる: to get dissed (passive)