- oddball⇄adj. unusual for its type and often somewhat amusing; odd; eccentric.
Ex. oddball humor. - oddball⇄noun a person or thing that differs from the usual or accepted standards in features, behavior, habits, or the like.
Ex. The platypus has been the oddball of the animal world (New York Journal American). - oddball⇄oddball, noun, adjective.
(U.S. Slang.)