Vietnamese edit

Etymology edit

Compare Japanese (otsu, stupid person).

Pronunciation edit

Adjective edit

ất ơ

  1. (colloquial) random, nobody
    Mới đi có chút mà thằng ất ơ nào chiếm chỗ rồi.
    I was just gone for a bit but some random dude already took my place.
  2. (colloquial) dim-witted or having a few screws loose
    Synonym: dở hơi