Being as a cool as a cucumber is a very hardthing to achieve. One must be intensely cool to be as cool as a cucumber. Cool as a cucumber means that you are one the coolest people of all time.
Cool as a Cucumber is a very bold statement. You are only Cool as a Cucumber when you have inhaled at least 100 Cool Cucumber juul pods and then, only then, will you be as cool as a cucumber.
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?"