"- Help! he sighed. I feel a strong weakness.
Lenehan, rising to tiptoe, fanned his face rapidly with the rustling tissues." (U7.595)
A similar period riddle. His "Consort Ena" = his "Concertina", see the wheeze?
A wheeze, as I learned from Tit-Bits (August 29, 1908) is 'a safe and prompt laugh'.