Ripped from my cookies file so there may be some duplicates from the above:

Oxymoron: Authentic Replica.
Oxymoron: Business ethics.
Oxymoron: Civil War.
Oxymoron: Classic Rock.
Oxymoron: Constant Change.
Oxymoron: Conventional wisdom.
Oxymoron: Decaf coffee
Oxymoron: Definite Posability.
Oxymoron: Democratic Democrat
Oxymoron: Down Escalator.
Oxymoron: Educational Television.
Oxymoron: Even Odds.
Oxymoron: Final Beta
Oxymoron: Friendly fire.
Oxymoron: Good Grief.
Oxymoron: Jumbo shrimp.
Oxymoron: Near miss.
Oxymoron: Only Choice.
Oxymoron: Postal Service.
Oxymoron: Pretty ugly.
Oxymoron: Real Imitation Leather.
Oxymoron: Smokeless Cigarette.
Oxymoron: Vegetarian chili.
OxyMoron: Windows Power User.
Oxymoron: "... runs under Windows"
Oxymoron: Cash Surplus
Oxymoron: A good politician.
Oxymoron: A just war
Oxymoron: a lighter dark beer
Oxymoron: A really, really, dumb baby ox!
Oxymoron: acceptable losses
Oxymoron: Accidentally on Purpose.
Oxymoron: Act natural.
Oxymoron: activity break
Oxymoron: Adequate security.
Oxymoron: Advanced BASIC
Oxymoron: Affordable luxury home
Oxymoron: almost always
Oxymoron: almost safe
Oxymoron: alone together
Oxymoron: American culture
Oxymoron: American English.
Oxymoron: anarchy rules
Oxymoron: apparent contradiction
Oxymoron: Apple tech support.
Oxymoron: Arrogant Humility.
Oxymoron: Artificial intelligence
Oxymoron: artificial snow
Oxymoron: bad sex
Oxymoron: balanced insanity
Oxymoron: Benign (military) occupation
Oxymoron: blameless lawyers
Oxymoron: Bug free code.
Oxymoron: business ethics
Oxymoron: Can I ask you a question?
Oxymoron: civil war
Oxymoron: clearly confused
Oxymoron: clearly misunderstood
Oxymoron: Cold as Hell
Oxymoron: cold fire
Oxymoron: common sense
Oxymoron: completely unfinished
Oxymoron: computer security
Oxymoron: constant change
Oxymoron: Constant variable
Oxymoron: Controlled growth
Oxymoron: Crash landing
Oxymoron: debugged program
Oxymoron: decaffeinated coffee
Oxymoron: Definite maybe
Oxymoron: definite possibility
Oxymoron: Economy car
Oxymoron: enough hard drive space
Oxymoron: even odds
Oxymoron: exact estimate
Oxymoron: Fast Windows
Oxymoron: faulty logic
Oxymoron: female logic
Oxymoron: final beta
Oxymoron: final version
Oxymoron: Good Morning
Oxymoron: half dead
Oxymoron: healthy tan
Oxymoron: Hollywood history
Oxymoron: holy war
Oxymoron: hot chili
Oxymoron: impossible possibility
Oxymoron: improbable disaster
Oxymoron: intense apathy
Oxymoron: intense disinterest
Oxymoron: interactive soliloquy
Oxymoron: irate patient
Oxymoron: irregularly scheduled
Oxymoron: jumbo shrimp
Oxymoron: justifiable homicide
Oxymoron: last initial
Oxymoron: least favorite
Oxymoron: life insurance
Oxymoron: light heavyweight
Oxymoron: limited immunity
Oxymoron: limited time
Oxymoron: Linear curve
Oxymoron: Liquid gas
Oxymoron: liquid paper
Oxymoron: little deceptive
Oxymoron: little hope
Oxymoron: little misleading
Oxymoron: live recording
Oxymoron: logical design
Oxymoron: long recess
Oxymoron: loosely organized
Oxymoron: luxury bus
Oxymoron: male logic
Oxymoron: man child
Oxymoron: management science
Oxymoron: mandatory option
Oxymoron: marijuana initiative
Oxymoron: Meaning stupid Ox.
Oxymoron: Microsoft Works
Oxymoron: Middle East Peace
Oxymoron: minor issue
Oxymoron: mismatch
Oxymoron: My Humble Opinion
Oxymoron: near miss
Oxymoron: nearly perfect
Oxymoron: No-fault divorce
Oxymoron: no action
Oxymoron: non-alcoholic beer
Oxymoron: non-stop flight
Oxymoron: one-sided dialogue
Oxymoron: original copy
Oxymoron: Paid amateur
Oxymoron: Paid volunteers
Oxymoron: paper china
Oxymoron: Paperless office
Oxymoron: partial conclusion
Oxymoron: partial success
Oxymoron: partially completed
Oxymoron: Partially furnished
Oxymoron: partly engaged
Oxymoron: Passive activity
Oxymoron: passive activity
Oxymoron: Peace keeper missile.
Oxymoron: peace offensive
Oxymoron: permanent fad
Oxymoron: political promise
Oxymoron: preliminary conclusion
Oxymoron: Pretty Ugly
Oxymoron: private e-mail
Oxymoron: professional amateur
Oxymoron: random logic
Oxymoron: random order
Oxymoron: Rap Music
Oxymoron: real fantasy
Oxymoron: reinvent
Oxymoron: routine emergency
Oxymoron: same difference
Oxymoron: science fiction
Oxymoron: sergeant major
Oxymoron: Serious fun
Oxymoron: slightly pregnant
Oxymoron: slow death
Oxymoron: slow speed
Oxymoron: Small crowd
Oxymoron: smart bomb
Oxymoron: spare time
Oxymoron: still life
Oxymoron: straight curve
Oxymoron: stuck in traffic
Oxymoron: stupid ox
Oxymoron: sure bet
Oxymoron: Sweet pickle
Oxymoron: systematic variance
Oxymoron: tax-free
Oxymoron: Tax refund
Oxymoron: That shoe fits him like a glove.
Oxymoron: user friendly - idiot-proof
Oxymoron: vague memory
Oxymoron: vague recollection
Oxymoron: vaguely recall
Oxymoron: virtual reality
Oxymoron: Voluntary taxation
Oxymoron: war games
Oxymoron: We will arrest any inmate who misbehaves.
Oxymoron: weather forecast
Oxymoron: Windows accelerator
Oxymoron: windows expert!
Oxymoron: windows power user
Oxymoron: Windows Productivity
Oxymoron: Winnable nuclear war
Oxymoron: Rush Hour

damn kinda hard on windows
hahahahahahaa

Bill Gates For President!!

Yeah I'll say a long list.

Oxymoron - hot water heater
Oxymoron - British English - Even if you did create it.

Whilst not wanting to get into the semantics of which version of English is the best and being slightly OT for this thread, I would like to explain why English is a hard language.

Rules of English or Why English is so Hard to Learn

1) The bandage was wound around the wound.
2) The farm was used to produce produce.
3) The dump was so full that it had to refuse more refuse.
4) We must polish the Polish furniture.
5) He could lead if he would get the lead out.
6) The soldier decided to desert his dessert in the desert.
7) Since there is no time like the present, he thought it was time to present the present.
8) A bass was painted on the head of the bass drum.
9) When shot at, the dove dove into the bushes.
10) I did not object to the object.
11) The insurance was invalid for the invalid.
12) There was a row among the oarsmen about how to row.
13) They were too close to the door to close it.
14) The buck does funny things when the does are present.
15) A seamstress and a sewer fell down into a sewer line.
16) To help with planting, the farmer taught his sow to sow.
17) The wind was too strong to wind the sail.
18) After a number of injections my jaw got number.
19) Upon seeing the tear in the painting I shed a tear.
20) I had to subject the subject to a series of tests.
21) How can I intimate this to my most intimate friend?