A tiny, almost imperceptible cough, usually hidden behind a mask due to; emphysema, asthma, allergies or the dreaded COVID, so as not to alarm others to your potential of being “the infected.”
I was walking through the grocery store and I had a tickle in my throat but I didn’t want people to think I was contagious so I let out a microcough.
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.