19. Genuine imitation

18. Good grief

17. Same difference

16. Almost exactly

15. Alone together

14. Living dead

13. Military intelligence (clever this one)

12. Childproof

11. Synthetic natural gas

10. Passive aggression

9. Peace force

8. Extinct life

7. Plastic glasses

6. Tight slacks

5. Definite maybe

4. Pretty ugly

3. Working holiday

2. Exact estimate

And the number one top OXYMORON is...

1. Microsoft Works