v. The act of surprising someone in a populated venue below a table by 69-ing them.
Girl: We had just gotten our main course when he said, "Excuse me, I dropped my napkin...", went under the table to get it, and before I knew it he UTTIPS69'd me!
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.