Oddball

Noun

 * 1) An eccentric or unusual person.

Adjective

 * 1) Exotic, not mainstream, such as an oddball word or an oddball computer program.

Thesaurus
abnormal, absurd, alien, anomalous, anomaly, bizarre, black sheep, blemish, case, character, crackpot, crank, crankish, cranky, crosspatch, crotchety, curious, deviant, deviative, different, divergent, dotty, duck, eccentric, erratic, exceptional, fanatic, fey, flake, flaky, foreign body, foreign intruder, freak, freaked out, freakish, freaky, funny, hermit, hobo, idiocratic, idiosyncratic, impurity, individualist, inner-directed person, intruder, irregular, kinky, kook, kooky, lone wolf, loner, maggoty, maverick, meshuggenah, misfit, monkey wrench, mote, natural, naysayer, nonconformist, nut, nutty, odd, odd fellow, oddity, off, off the wall, original, out, outlandish, outsider, pariah, passing strange, peculiar, quaint, queer, queer duck, queer fish, queer specimen, quirky, quiz, rara avis, recluse, screwball, screwy, singular, sliver, solitary, speck, splinter, spook, sport, stone, strange, strange duck, tramp, twisted, type, unconventional, unearthly, unnatural, wacky, weed, weird, weirdo, whimsical, wondrous strange, zealot, zombie

Etymology
From odd: + ball:?

Noun

 * Dutch:


 * Romanian: