Related Clues:

• No-good blokes
• Heels
• Cads
• The cads have lost their head and become amphibious
• Horses won't start for unkind people
• Scoundrels, in British slang
• Contemptible folk
• They're going off, the bounders!
• They're worthless people - they just break down
• Bounders (informal)
• Pigs and horses, maybe, heading off