Possible Clues:

• Guffaw, informally
• Joke response, informally
• ___ riot (very funny skit)
• Gag response, informally
• Response to a gag, perhaps
• "___-a-Lympics" (Hanna- Barbera cartoon)
• Roll in the aisles, on comedy show fliers
• ___ Records (comedy label)
• '___-A-Lympics' (old TV cartoon series)
• Guffaw, in 'Variety'