1) To make to appear holier or better than it actually is.
2) To present something or someone as perfect when it/he/she obviously isn't.
3) To gloss over someone's faults - e.g. what a political party does to its own candidate.
Guy 1: Bro. CNN said that Hillary has a spotless record and decades of dedicated service.
Guy 2: Don't fall for Clinton News Network, man... They try to angelicize her.
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?"