Related Clues:

• Boorish jokester's question
• Twig, for example, brought back by bird
• 'Is that clear?'
• Follow up to joke — have sex?
• "Capiche?"
• Follow-up to a bad joke?
• Be punished and understand
• Looking up say at bird on twig
• See the point
• Do you understand flier, say, being circulated?
• Understand, say, soaring bird
• Be punished, do you understand?
• Be in on a joke
• 'Why aren't you laughing?'
• Do you understand message title's conveying?