The limerick form of poetry that is short and humorous. They are commonly five lines long and the first two lines rhyme. This form of poetry was made extremely popular by a man named Edward Lear. A great thing a about Limerick's is that they don't necessarily have to make sense at all. Edward Lean made the book of Nonsense which is full of  Limerick's . Here is an example  of  a limerick in the space below.  

“There was an old man from Peru Who dreamt he was eating his shoe. He awoke in a fright In the middle of the night And found it was perfectly true.