Possible Clues:

• Ludicrous
• The foreign expression for disgust qualified by ridiculous type
• Ridiculous
• Risible
• Ridiculous, derisory
• Ridiculous - make you chortle
• It's hilarious, blowing up a huge ball
• Risible, ridiculous
• Funny how a ha-ha may be offence, perhaps
• Incongruous, inviting ridicule