One who casts forth lulz;
instrument of/or guitarist who fails so epically that one cannot help but laugh. (combination of lol and -caster, suffix to many Fender guitars)
An inaccurate variant spelling of "lolocaust," circulated particularly among the semi-literate and those who clearly haven't read much about the Second World War.
That someone took the time to submit a separate entry on 'lolocost' when the more obvious definition is just above it in the Urban Dictionary—it's enough to precipitate the lolocalypse.
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?"