Here's why:
* Structure: It follows the classic limerick structure:
* Line 1: Anapest, anapest, anapest
* Line 2: Anapest, anapest, anapest
* Line 3: Anapest, anapest, anapest
* Line 4: Anapest, anapest, anapest
* Line 5: Anapest, anapest, anapest
* Rhyme scheme: It has the distinctive AABBA rhyme scheme.
* Humorous content: It's a lighthearted, humorous poem about a character named Clancy and his overflowing bathtub.
While the poem itself isn't particularly famous, the classic limerick structure and the playful theme make it a good example of the genre.