勝かっ手て次し第だい

na-adjective, noun

as one pleases; at one's own discretion; selfish

Describes doing things entirely according to one's own wishes or convenience, often with a negative connotation of being self-centered or arbitrary. Used both as a noun and as a na-adjective.

• 彼かれはいつも勝かっ手て次し第だいに行こう動どうする。

  He always acts as he pleases.

• そんな勝かっ手て次し第だいな言いい分ぶんは通とおらない。

  Such a selfish argument won't be accepted.