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
Kanti	-	Hinduism, Indian, Hindi, Bengali
Alfredo	ahl-FRE-do (Italian), ahl-FRE-dho (Spanish)	Italian, Spanish, Portuguese
Kawacatoose	-	Native American, Cree
Aggie	AG-ee	English
Lily	LIL-ee	English
Selwyn	SEL-win	English (Rare)