What is the format of a five-liner?

A five-liner is a concise poetic form consisting of five lines that often follow a specific rhyme scheme, such as AABBA, which is common in limericks. Each line typically has a varied syllable count, but maintaining a rhythmic flow is essential. The content can cover a wide range of themes, often with a humorous or whimsical tone. Overall, the five-liner emphasizes brevity and creativity in expression.