The Wellard is a common garden troll who lives in the south west wales countryside. It lives in a cave with Its Mate Known as the Erin and their Offspring is known as a baby Smichael.
Guy 1: dude i just saw A Wellard
Guy 2: a what?
Guy 1: y'know those troll things that live in wales.
Guy 2: Was it driving a Hyndai Gets Or a Transit Van Guy 1: nah Guy: awww
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?"