geek code = G = gen

geek out vi.

To temporarily enter techno-nerd mode while in a non-hackish context, for example at parties held near computer equipment. Especially used when you need to do or say something highly technical and don't have time to explain: "Pardon me while I geek out for a moment." See geek; see also propeller head.

--The Jargon File version 4.3.1, ed. ESR, autonoded by rescdsk.