もったいぶる

ぶる

  1. Godan verb with 'ru' ending, intransitive verb

    to put on airs, to assume importance, to be self-important, to be pretentious, to be pompous, to stand on one's dignity
    word usually written using kana alone

    • 勿体振るのはやめてくれ。
      Don't give yourself airs.