give (someone) a dose/taste of (their) own medicine

to do the same bad thing to someone that they have often done to you, in order to show them how unpleasant it is.

She's always turning up late for me so I thought I'd give her a taste of her own medicine and see how she likes it.

• there is never a dull moment
• there is no such thing
• there isn't a [mean, jealous, unkind etc.] bone in body
• there isn't a [mean, jealous, unkind etc.] bone in someone's body
• there is safety in numbers
• there'll be hell to pay
• there's a lot to be said for
• there's a lot to be said for doing something
• there's a lot to be said for something
• There's a time and a place.
• There's life in the old dog yet.
• There's many a slip twixt cup and lip.
• There's many a true word spoken in jest.
• there's method in madness
• there's method in someone's madness
• There's more than one way to skin a cat.
• there's much to be said for
• there's much to be said for doing something
• there's much to be said for something
• There's no accounting for taste!
• there's no law against
• there's no law against doing something
• there's no law against something
• There's no peace for the wicked!
• There's no rest for the wicked!