Limerick. A limerick is a humorous poem of five lines. It is funny, witty and often silly. It usually starts with “There once was…” or “There was…” It has a very distinctive rhyme and rhythm pattern. Rhyme Pattern.
The first, second and fifth lines all have this rhythm:
da DUM da da DUM da da DUM
(notice that there are three beats)
The third and fourth lines have a different rhythm pattern:
da DUM da da DUM
(notice that there are only two beats)