Definition of a Haiku: Un-rhymed Japanese poetic form. It consists of 17 syllables arranged in three lines of 5, 7, and 5 syllables, respectively. The form expresses much and suggests more in the fewest possible words. They can capture a feeling, image or even something less serious. EXAMPLES Written by FrannieTheMannie On Dawg: On sorta hot bitches: I'll add some of mine but hers were the best to kick off the show. Let's see what ya got!