the shoe is on the other foot
- (idiomatic) The roles of people in a situation have been reversed, such that the advantage has shifted to a party which was previously disadvantaged.
1919, Ring Lardner, chapter 1, in The Real Dope:
- Some of the birds on this ship took me for a sucker and tried to make a rummy out of me but I was wise to their game and I guess the shoe is on the other foot this time.
the roles have been reversed