Word that is mostly used in hacking code but could also be seen from the prospective of a sterotype from movies. Hacking, in this context, is breaking into a computer system. A mainframe is "a high-performance computer used for large-scale computing purposes". So, hacking the mainframe would be breaking into a supercomputer, essentially.
"hacking the mainframe is like steeling candy from a baby."
by idkzory January 13, 2023
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A hypothetical step above PC master race. To have and run instead of a personal computer but a whole mainframe for say a company, school system, lab, university, clandestine group, pony fan art site etc.. Can be used as a complement for computer admins. Or a pejorative to make fun of the nature of PC elitists trying to build bigger computers.
Console peasant: what's your favorite game?
Ancient System administrator neck beard: Star trek.
Console peasant: Is that for ps3.

Ancient System administrator neck beard: No young one, it was on a SDS Sigma 7, in days of Glorious Mainframe Master Race Gaming. You even played it with print outs.......
by OldBear caslte June 3, 2016
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when you delete files that you have accidently left on your friends server but dont want them to know what you have done.
Ran: Holy crap my server is tottaly out of space.
Gary: Check again.
Ran: Oh what the?
Gary: yeah don't worry man i just optimised your mainframe gigabyte storage
by Lappy mozza August 1, 2007
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