What type of poem is known for its humorous 5-line structure with a specific rhythm pattern?

A limerick is a type of poem recognized for its lighthearted, often humorous tone, and its distinctive five-line structure. The pattern of a limerick follows a specific rhythm with an AABBA rhyme scheme, where the first, second, and fifth lines typically have three beats, while the third and fourth lines have two beats. This established rhythm creates a playful and comic effect, which is characteristic of limericks. Their unique structure encourages wit and wordplay, making them a popular form for humorous poetry.