Top Definition
An incredibly fast computer disguised as a Windows 98 peice of crap. It will most likely look the same on the outside but be brand new on the inside. It has the latest processor,RAM and videocards built into a crappy shell.
1.I saw a sleeper computer but I didnt know it was any different from the old crappy school computer next to it.
2.After he started the computer, Mr.X was shocked to see it running a modern OS and start incredibly fast.
3.Wow look at that peice of crap.Wait,Holy Cow it's running Crysis at 60 fps!!!!
by Freshstyles50 August 22, 2009
7 Words related to Sleeper Computer

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