play dirty

(informal)

to behave dishonestly, especially by cheating in a game He loses his temper from time to time, but he never plays dirty.

Name	Pronounced	Usage
Corrin	['kɔ:rin]
Brennan	BREN-ən (English)	Irish, English
Nnamdi	-	Western African, Igbo
Angilberct	-	Ancient Germanic
Redd	RED	English (Rare)
Nikolay	nee-kah-LIE (Russian)	Russian, Bulgarian