Canonical List of Humorous Computer-Related Acronym

IBM

   Idiots But Me
   Idiots Building Machines
   I've Been Mislead
   Itty Bitty Machines
   I've Been Moved
   I Blame Microsoft
   It's Better Manually
   I've Been Mugged
   Itty Bitty Machine
   I'll Buy Macintoshes (next time...)
   It Bit Me
   I Built Microsoft

Macintosh

   Machine Always Crashes, If Not The Operating System Hangs

MS-Windows

   Mostly Swaps When It's Not Dealing Only With Solitaire
   Mainly Slow When It's Not Dealing Only With Solitaire
   My System Will Intentionally Never Do Output Without Scrambling
   My System's Wholly Integrated Newly Designed Over Weight Solitaire
   My System Will Intentionally Never Do Output Without Scrambling
   MS-Sloth
   MS-Lost

Windows

   When I Need Data Output Without Speed
   Will Install Needless Data On Whole System
   Well, It Never Does Operate With Speed
   Wholly Inbred Needless Data On the Welfare System
   While Idle, Never Does Operate Well, Sigh
   While Idle, Needs DX or WorkStation
   Wholly Inadequate Needless Damned Outrageous Waste of Space

Win

   Whoppingly Immense NOP (NOP=assembly command to do nothing)
   Worm Infestation Netware

MS-Windows NT or Windows NT

   My Solitaire With Its New De-accelerator Only With Some Network
   Technology
   Well Intended, Netword De-accelerator, Only Works Sometimes, Never
   Totally
   Windows as a Netword Trojan


Different Operating Systems (Expectations)

Macintosh: What You See Is What You Get

MS-DOS: You Asked For It, You Got It

UNIX: IfUHv2sk, UDntWnt2Kno

VMS: You Got It, All Of It, Want It Or Not