ウサギの憂さ晴らし

ウサギを喰らう慣わしのおじさんは、十八番目のウサギを平らげて血の気が引いて以来、胡散臭いその慣わしを放棄した。

There was an Old Person whose habits,
Induced him to feed upon rabbits;
When he'd eaten eighteen,
He turned perfectly green,
Upon which he relinquished those habits.

エドワード・リア『ナンセンスの絵本』ちくま文庫