Related Clues:

• The sort of banter you might get from a dirty old man
• No good in time for such joking
• The sort of frivolity that makes one a naughty old man
• Perhaps training for banter
• No improvement the older you get, but make a joke of it
• Ridicule this by train, perhaps
• That's the sort of talk you'd expect from a dirty old man
• That sort of talk makes one a naughty old man
• Does not improve as the years pass, in a manner of speaking
• The sort of banter you'd expect from a dirty old man
• The sort of joking you'd get from a naughty old man
• Mockingbird with lyre-shaped tail
• Banter is damaging in time
• Playful talk can become offensive in time
• Remove lead from bumps felt on track with light ribbing