backflip

noun

1. An act of rotating one's body 360 degrees in the backward direction.

   “The gymnast performed a backflip on a trampoline.”

2. (broadly)A total reversal in policy or opinion.

   “Near-synonyms: backtrack, backpedaling”

   “PM predicts water recycling backflips”

verb

1. To perform a backflip (rotation of body).
2. To completely reverse a policy or opinion; perform a U-turn.

   “Near-synonyms: backtrack, backpedal, walk back”