Top Definition
Trying to have cybersex, hit on, flirt with, or anything else sexual, with someone you consider an internet brother or sister.
Glannifer: "You ready?"
Angus: "I can't have an internet relationship with her, she's my net sister, that's netcest!"

by Eliza + Bec loves Roffles January 04, 2008
6 Words related to netcest

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