Total GDI Move. When a geed does something nerdy, strange, or generally uncool or not fratty.
Chris: Dude, did you see what happened last night?
Dude: No, what?
Chris: Billy got so drunk at the bar he tried picking up a chick by asking if she preferred Kirk or Picard.
Dude: The hell? TGDIM.
Stands for “Too many definitions in urban dictionary”. Refers to the fact that many often unsettling concepts exist in the world and use of the Urban Dictionary can make one aware of them.
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?"