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
Mphatso	MPAH-tso	Southern African, Chewa
PaŠKal	-	Croatian (Rare)
Black	[blæk]
Essi	ES-see	Finnish
Domnika	-	Macedonian
Severianus	-	Ancient Roman