Related Clues:

• Two-timer, e.g.
• It might bite
• Dirty rat
• Vermin
• Insensitive sort
• Good-for-nothing
• Kennel club reject
• Loathsome one
• Crude dude
• Reprobate
• RouŽ
• Hardly Mr. Nice Guy
• Heel
• Unprincipled fellow
• No purebred