First up, what is an oxymoron, you might wonder? The answer is that, essentially, an oxymoron is a pair of words combined that contradict each other. Examples can be humorous ('an organised committee') or genuine ('deafening silence').
Here, purely for your viewing pleasure, is a list of some oxymorons:
Definitely maybe
Living dead
Precise estimate
Genuine imitation
Minor miracle
Same difference
Other Me
Synthetic natural fibre
End of infinity
Constant variable
Still wind
Bittersweet
Hells angels
Poor Millionaire
A wise fool
Almost limitless
Jumbo shrimp - Contrib. by Frances
Microsoft Works
Miltary Intelligence
Customer Services
Aeroplane food
Efficient civil service
Honest politician
Intelligent footballer
Genuine Journalist
Modern Art
Train Timetable
London Transport
Two Solipsists
Reliable Computer