投なげ捨すてる

ichidan verb, transitive verb

throw away; discard; toss aside

Literally or figuratively throwing something away, often with a sense of carelessness or finality. Can be used for physical objects or abstract things like opportunities.

• 彼かれは読よみ終おわった新しん聞ぶんを投なげ捨すてた。

  He threw away the newspaper he had finished reading.

• チャンスを投なげ捨すてるようなことはするな。

  Don't do something like throwing away your chance.