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.

• do the dirty on someone
• do the dirty work
• do the honors
• do the honours
• do the job
• do the rounds
• do the running
• do the trick
• do the unthinkable
• do the world of good
• do things by halves
• do time
• dot i's and cross the t's
• dot i's and cross t's
• dot i's and cross your t's
• dot the i's and cross the t's
• dot the i's and cross t's
• dot the i's and cross your t's
• dot your i's and cross the t's
• dot your i's and cross t's
• dot your i's and cross your t's
• double bind
• double-dip
• double-dipping
• double Dutch