All 5 Uses

limerick
in
The Hidden Oracle
(Auto-generated)

But only the deadliest prophecies are couched in the form of a limerick.
p. 304.7 *

limerick = a 5-line poem with a rhyme scheme of aabba
I shivered, thinking of the oak trees' limerick.†
p. 309.8
After the sneezing
Healing peeps, parsing limericks
Worst God Award?†
p. 341.1
A limerick?†
p. 349.7
Like, except for the limerick?†
p. 350.3

Definitions:

(1) (limerick)
a humorous poem consisting of 5 lines with a rhyme scheme aabba

Limericks often have a 9-9-6-6-9 or 8-8-5-5-8 cadence and are ridiculous. Often they are slightly indecent.

Here is an example of a tame limerick:

There once was a man from Nantucket
Who kept all his cash in a bucket.
But his daughter, named Nan,
Ran away with a man
And as for the bucket, Nantucket.
(2) (meaning too rare to warrant focus)
As a proper noun, Limerick usually references a city or county in Ireland.