A sensation of being overwhelmed, disoriented, or annoyed as a result of exposure to lengthy, detailed discussion of technological matters, especially those pertaining to computersoftware and hardware.
I totally had nerdigo the other day when I got stuck listening to these guys on the subway talking really loudly about iOS versus Android.
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"