pay back in own coin

pay somebody back in their own coin

(British & Australian old-fashioned)

to treat someone in the same bad way that they have treated you I decided to pay her back in her own coin and refuse to help her.

Name	Pronounced	Usage
Donald	DAHN-əld (English)	Scottish, English
Melissa	mə-LIS-ə (English)	English, Dutch, Ancient Greek, Greek Mythology
Evgenij	-	Macedonian
Sutekh	-	Egyptian Mythology
FÉLicienne	-	French
Milena	mee-LE-nah (Italian)	Bulgarian, Czech, Serbian, Croatian, Slovene, Macedonian, Polish, Russian, Italian