EntryCommon
  1. Godan verb with 'ru' ending, Intransitive verb

    to kick the bucket; to drop dead; to die; to croak

    Derogatory

    あいつは簡単にはくたばらない。
    He has more lives than a cat.
  2. to be pooped; to be exhausted; to be knackered

Pitch on OJAD