Knock, knock. Who’s there? Hike.
Hike who? What is a haiku?
This is a haiku.
Well, no it isn’t. Posted by Hoi Sta on 19 September 2012 to Quora. This person also posted another poem about haiku that definitely wasn’t his, so one can’t be sure whether the preceding poem is his or someone else’s. See also “Knock, Knock.”