勿体 もったいぶる
mottaiburu

Godan Verb (ru)

1. to put on airs; to assume importance; to be self-important; to be pretentious; to be pompous; to stand on one's dignity

Intransitive
Usually Written in Kana
勿体 もったい るのはやめてくれ。
mottaiburu nowa yamete kure.
Don't give yourself airs.
Other forms: