勿もっ体たいをつける

expression, ichidan verb

put on airs; act important; be pretentious

Describes someone acting self-important or making a show of their status. Often used when someone is being overly formal, condescending, or deliberately making others wait. Compare with 勿体ぶる, which has a similar meaning but is more common.

See also: もったいぶる

• 彼かれはいつも勿もっ体たいをつけて、なかなか本ほん題だいに入はいらない。

  He always puts on airs and takes forever to get to the point.

• そんなに勿もっ体たいをつけなくてもいいじゃないか。

  You don't have to act so important, do you?