A person that enjoys pointing out the mistakes of others. A general know it all. Skrooper is designed to be less offensive than other words while still getting a point across.
“no one cares about that one grammatical error I made in my sentence. Stop being such a skrooper.”
Someone who's tasked wif making sure datda Surgeon General is doing his job.
Even after a long series of head health honchos have come and gone in da You-Ess-Of-AY, we're still being tortured wif tobacco products and their assorted catastrophic illness effects --- where is da skoopervisor of said "triple H" official workin'???
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?"