破罐子破摔

破罐子破摔 (pòguànzi pòshuāi)

1. 比喻已经弄坏了的事就干脆不顾,近似“以滥为滥”。破罐子:还比喻坏了贞操的女人 smash a pot to pieces just because it’s cracked—write oneself off as hopeless and act recklessly