over-geek Share definition Flag A term used to describe the situation when someone is simply being too geeky for general conversation. Concerned-Friend: "Whoa buddy, hold on, I think you over-geek'd a bit too much there." over-geek by ilmscott October 28, 2015 0 0 Get merch Get the over-geek mug. Buy Now — $32.95 See more merch