Answer: dirtytrick

AnswerCrossword Clue
DIRTYTRICKExample of polluted politics
DIRTYTRICKFast one
DIRTYTRICKFoul play
DIRTYTRICKThis isn't cricket!
DIRTYTRICKPrank that's not nice
DIRTYTRICKMean prank
DIRTYTRICKUnkind caper
DIRTYTRICKDubious tactic
DIRTYTRICKD-Con?
DIRTYTRICKBit of foul play