50. Act naturally

49. Found missing

48. Resident alien

47. Advanced BASIC

46. Genuine imitation

45. Airline Food

44. Good grief

43. Same difference

42. Almost exactly

41. Government organization

40. Sanitary landfill

39. Alone together

38. Legally drunk

37. Silent scream

36. British fashion

35. Living dead

34. Small crowd

33. Business ethics

32. Soft rock

31. Butt Head

30. Military Intelligence

29. Software documentation

28. New York culture

27. New classic

26. Sweet sorrow

25. Child proof

24. "Now, then ..."

23. Synthetic natural gas

22. Christian Scientists

21. Passive aggression

20. Taped live

19. Clearly misunderstood

18. Peace force

17. Extinct Life

16. Temporary tax increase

15. Computer jock

14. Plastic glasses

13. Terribly pleased

12. Computer security

11. Political science

10. Tight slacks

9. Definite maybe

8. Pretty ugly

7. Twelve-ounce pound cake

6. Diet ice cream

5. Rap music

4. Working vacation

3. Exact estimate

2. Religious tolerance

And the Number one top OXYMORON:

1. Microsoft Works