The act of telling a joke in which you only laugh. The joke is usually stupid and is usually told by the guy with the smallest dick in the room. He probobly went to fieldston high school or colgate for college. He can also be a jonny joker, jonny jokster, jonny mcjoker, toker the joker, super soaker jonny joker.
Wow that shit was not funny at all, what a jonny joke.