A subset of storm watchers, these are people who derive enjoyment from watching and being in storms that involve hail. The "clatter" is the sound of the hail hitting roofs and other metal or wooden objects.
NOAA predicted a big thunderstorm here. You know the clatterati are going to be coming out in droves!
People who write online, be it blogs, comments on articles or other Internetwriting. The style of writing is at once witty and informed. Clattering on the keyboard irreverently, yet still having a literati message of import. The word is a portmanteau of "clatter" and "literati".
Gloria would write amusing yet informative talkback comments on the newspaper's website, believing herself to be a distinguished member of the clatterati.
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?"