Top Definition
The main harddrive of computers Windows 3.1 and up.
Umm... why can't I find C:\ in My Computer?
by LRS May 16, 2004
1 more definition
6 Words related to C:\
A guy that has a large tumor on his head. He is also expressing a slightly embarrassed look, as well as "WTF".

See? Either that, or it's a queer hat.
by Polaris April 24, 2005

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