Related Clues:

• Might the rotter aver that one is rotting? (3)
• One might aver that the rotter is dead
• Rounder
• Don Juan sort
• Ill-bred fellow
• One behaves dishonourably
• Libertine makes love in the French way
• Playboy making love in the French way
• Love in the way of a Parisian Casanova
• 'Dog'
• Unchivalrous sort
• Two-timing guy
• Probably not Mr. Right
• Ill-bred sort
• Ill-bred dude