低能

Meanings

1. Noun, Na-adjective

   low intelligence; low IQ; feeble-mindedness; imbecility

2. Noun

   unintelligent person; person with a low IQ

• ２ちゃんねるって大半たいはんが低能ていのうじゃないですか？

  Don't you think that most people on 2chan are idiots?