Limerick

The Limerick is build of nonsense verses, is light and humorous.
It is a five-line-stanza/ four-line-form.
The first and the fifth line end in the same word.
Scheme: aabba/aacca;
it has a structured form and is short but sweet
+should have a single anapestic stanza!
Example:
There was an Old Man of Berlin,
Whose form was uncommonly thin;
Till once, by mistake,
Was mixed up in a cake,
So they baked that Old Man of Berlin.

"Father" of the Limericks is Edward Lear. Limericks became a popularised form with his "Book of Nonsense" in 1846.

http://www1.freewebs.com/grahamlester/classics.htm%20 : limericks by famous people!

Further examples under comments!