Lifted from Websulker:
The Top 50+ Geek T-Shirt Slogans
1. Cannot find REALITY.SYS. Universe halted.
2. COFFEE.EXE Missing - Insert Cup and Press Any Key.
3. Buy a Pentium 4 at 1.8 GHz so you can reboot faster.
4. 2 + 2 = 5 for extremely large values of 2.
5. Computers are not intelligent. They only think they are.
6. Computers make very fast, very accurate, mistakes.
7. My software never has bugs. It just develops random features.
8. C:\DOS C:\DOS\RUN RUN\DOS\RUN
9. C:\WINDOWS C:\WINDOWS\GO C:\PC\CRAWL
10. The information went data way
11. Best file compression around: "DEL *.*" = 100% compression
12. The Definition of an Upgrade: Take old bugs out, put new ones in.
13. BREAKFAST.COM Halted...Cereal Port Not Responding
14. The name is Baud....... James Baud.
15. BUFFERS FILES 2nd down, 4th quarter, 5 yards to go!
16. Access denied-nah nah na nah nah!
17. c:\> Bad Command or file name! Go stand in the corner.
18. Bad command. Bad, bad command! Sit! Stay! Staaay...
19. Why doesn't DOS ever say "EXCELLENT command or filename!"?
20. As a computer, I find your faith in technology amusing.
21. Southern DOS: Y'all reckon? (Yep/Nope)
22. Backups? We don' NEED no stinking backups.
23. E Pluribus Modem
24. File not found. Should I fake it? (Y/N)
25. Ethernet (n): something used to catch the etherbunny
26. A mainframe: The biggest PC peripheral available.
27. An error? Impossible! My modem is error correcting.
28. CONGRESS.SYS Corrupted: Re-boot Washington, D.C.? (Y/N)
29. Does fuzzy logic tickle?
30. A computer's attention span is as long as its power cord.
31. 11th commandment - Thou shall not covet thy neighbor's Pentium.
32. 24 hours in a day ... 24 beers in a case... coincidence?
33. Disinformation is not as good as datinformation.
34. Windows: Just another pane in the glass.
35. SENILE.COM found ... Out of Memory...
36. Who's General Failure & why's he reading my disk?
37. Ultimate office automation: networked coffee.
38. RAM disk is not an installation procedure.
39. Shell to DOS... Come in DOS, do you copy? Shell to DOS...
40. All computers wait at the same speed.
41. Computer: A device designed to speed and automate errors.
42. Press "control/alt/delete" to continue...
43. Smash forehead on keyboard to continue...
44. Enter any 11-digit prime number to continue...
45. ASCII stupid question, get a stupid ANSI!
46. E-mail returned to sender - insufficient voltage.
47. Help! I'm modeming... and I can't hang up!!!
48. All wiyht. Rho sritched mg kegtops awound?
49. Error: Keyboard not attached. Press F1 to continue.
50. "640K ought to be enough for anybody." - Bill Gates, 1981
51. DOS Tip #17: Add DEVICE=FNGRSCRS.SYS to CONFIG.SYS
52. Hidden DOS Secret: add BUGS=OFF to your CONFIG.SYS
53. Press any key... no, no, no! NOT THAT ONE!