Did an about-face

 

メランションも加えて三馬鹿トリオ https://t.co/pDXgI6Pdci

— mozu (@mozumozumozu) February 24, 2022

about-face

the act of turning to face in the opposite direction : a complete change of attitude or opinion 

回れ右

  Biden does about-face on travel plans with Europe on the brink of war

こういう風に使わわけだね。