a vile odor produced in the fart factory by magical fart gas elfs. a known bio-weapon the u.s. gov't. experimented with the gas during WWII. Today the gas is responsible for the death of the elderly, who coincidentally produce the most noxious form, and small children. adults while immune to the lethal aspect have been known to double up in pain and produce uncontrollable vomiting.
cabbage fart a known bio-hazard killed the elderly today.
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.