Limerick is a short funny poem that is nonsense. Limerick is a strict rhyme scheme of (aabba). The standard form of a limerick is a stanza of five lines. The word limerick is a big debate people think they know were it is from but is not confirmed. Limerick is one of the best types of poetry because it is funny  

There once was a man from Greece
He was incredibly obese
He rolled round the world
crushing all boys and girls
then fell into a vat of grease