noun. The new poster child for this term is the teacup pig. Teacup pig! You can't make this stuff up.
Real citation: "the oxymoron-esque-ness of it would work. a place where PUBLIC FIGURES can meet PRIVATELY to discuss their paranoia and distrust for others."
(Aug. 20, 2009, Chris Crocker, Twitter, http://twitter.com/chriscrocker/statuses/3425762189)
Made-up citation: "If 'teacup pig' doesn't have enough oxymoron-esque-ness for you, wait till you see my teacup elephants, which make the perfect playmate for a gentle toddler or hamster."