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What is a limerick? 4 things.
A Limerick is a rhymed and humorous poem that is 5 lines long.
* The rhyme scheme is aabba
* The first, second, and fifth lines must have 7-10 syllables while rhyming and having the same verbal rhythm.
* The third and fourth lines only have to have 5 to 7 syllables, and have to rhyme with each other and the same rhythm.