Verb. The act of tangling Ethernet cables in such a fashion that it is reminiscent of a large bowl of angel hair pasta while speaking with a technical support representative.
Support Rep: Now, take the wire running from your computer to your router and move it to the back of the modem.
Customer: Hang on, I've spaghettied my wires.
Support Rep: ...Spagettied?
Customer: Yeah, I'm spaghetti-ing my wires.
Support Rep: ...