An expression of celebration after an absolutely sick play in a video game, sport, or just a generally sick moment in real life. The term is said enthusiastically, and should always be before an exclamation mark. It is very effective when said after a sick 100m snipe as well.
Fonz: APOINGUS! HA! You suck man, go look at some stretch marks doofus!
Bavid: Cmon man, you know I can't beat someone as legendary as you. By the way, you and toucan's ex would make a great couple.
A point in time; as opposed to a range in time as in: arangement; such that, it is not to be confused with the self-deprecated, oft misinterpreted "appointment". It is impossible for anywho for anywhat to be exactly on time to anywhen, anywhere; for anywhy and to do so anyhow. anywho, anywhat, anywhen, anywhere, anywhy, anyhow.
Yes boss, we made an arangemt, not an apointment. apointment.
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?"