스불재

A problem you caused yourself — nobody to blame but you. Short for 스스로 불러온 재앙 (a disaster you brought upon yourself). The Korean version of "you made your bed, now lie in it."

스 = by oneself (shortened from '스'스로)

불 = brought upon (shortened from '불'러온)

재 = disaster / calamity (shortened from '재'앙)