What is a clerihew?

A clerihew is a poem that makes some fun, (but not insulting) criticism at a famous person. It has two rhymed couplets, in the pattern a a b b. Here is an example:

Petals grow

Where faries go

In this garden

Magic grows

A clerihew is a humorous, four-line biographical poem that was invented by Edmund Clerihew Bentley. The lines are often irregular in length and of the AABB form.

One of ECB's early clerihews is as follows:-

John Stuart Mill,

By a mighty effort of will,

Overcame his natural bonhomie

And wrote 'The Principals of Political Economy'.

a four line poem about a celebrity or historical figure. Lines one and two rhyme. Lines three and four rhyme.