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: 勿体ぶる (もったいぶる)
彼はいつも勿体をつけて、なかなか本題に入らない。
He always puts on airs and takes forever to get to the point.
You don't have to act so important, do you?