Possible Clues:

• Hostile to comics' vacuous buffoonery
• Playful pranks
• Slapstick silliness
• Outrageous behaviour
• Against Lewis larking about
• Foolish behaviour of idealists with no sort of memory
• Jumping cats in extraordinary goings-on
• Screwball behavior
• Daft tricks seen in cats playing
• Auntie's saying about college pranks