He accompanies his songs with sad chords played on a dodgy zither.

This year again I found a number of dodgy goods so I'll introduce them all here.

Then what is this I wonder? If it isn't dodgy door-to-door sales then could it be a new kind of pickup technique for the ladies?

Tom's left knee is a bit dodgy as a result of a football injury when he was young.

The used car salesman seemed a bit dodgy to me.