A contradiction in terms. Contrary to what some people will tell you, from Limerick to Florida, it does NOT mean a stupid ox. Derived instead from the Greek words oxy (sharp) and moros (dull).
Examples of oxymorons:

sunny night
military intelligence
compassionate conservative
ethical landlord
honest politician
open-minded altie
Christian Democrat
to appear invisible
deafening silence
friendly fire
charm offensive
civil war
by Fearman December 03, 2007

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A not-so-popular mixed drink. It consists of:

one shot of vodka
1/2 shot of lemon juice
one teaspoon honey

It is named this because despite the controdictory ingredients, none of them mask each other's flavor.
I had 20 oxymorons last night, at least I think I did...
by Frederico July 10, 2005

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Rush Limbaugh. Two words that don't agree with each other:Rush and OxyContin.
Someone whose moronic behavior(i.e.meglomania) leads them to a self-destructive act or acts. Someone in the pursuit of a drug that is known to be addictive like morphine,OxyContin, is an oxymoron.
by The Green Gnome October 08, 2010

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Billy Mays
T.V. - HI THIS IS BILLY MAYS WITH OXYCLEAN!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Me - Hey, it's the oxymoron!
by TMDrummer December 26, 2009

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Two contradicting words placed together in a sentence. Sometimes used as a marketing tool.
"Ric Flair Finance Co. is an Oxymoron! Maybe I should think of going elsewhere!"
by Soulytrack April 06, 2008

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A ridiculous comparision. Conjoining contradictory terms.
Example of Oxymoron
Unjust Law
Tax Return
Airline Food
Alone Together
Taped Live
Peace Force
Anarchy Rules
Affordable Housing
by Ashley Elizabeth October 26, 2005

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Anyone who falls for that late-night TV commercial for the goofy cleaning product, Oxy-Clean.
"Hi, Rufus and I just bought some cleaner sold by a huckster on television!"
by dickster March 13, 2003

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Two words or phrases that contradict each other. (can also be a contradictory statement)
OXYMORON:
I support obama and our Troops
jumbo shrimp
virus free windows pc
by everywheretome September 29, 2009

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