Possible Clues:

• (A) caper
• An insect has 35 across, I see. What a caper!
• I can't cut a caper like this
• Farcical
• That's the caper of the little creature, I see
• Is that a caper or an insect I see?
• Piece of mischief
• The class of caper you'd get from a six-footer, I see
• Buffoonish
• Ludicrous act