버렸다

ended up

→ 버리다
auxiliary · past Rare #25,827
ended up Used after another verb to indicate that an action was completed, often with a sense of regret, finality, or relief.
KO: 중요한 파일을 실수로 지워 버렸다.
EN: I accidentally ended up deleting the important file.
Conjugation of 버리다

그래서 죽여 버렸다, 그렇지?

So you killed him, right?

— 살인의 추억 (2003)