Top Definition
LANtastic is an extremely stupid program which allows you to share files and printers on a network. It also shares you c-drive to anyone on your network.
"Wtf?!?! My PC just crashed???"

"Yes, I know. You have installed LANtastic, so I deleted your Windows-folder."
by Mr. Lonely January 06, 2006
9 Words related to LANtastic

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