These words shall never be used.
You shall be punished by God if you utter these words.
God shall send you to the shadowrealm where you will rot in eternity.
Person 1: Your mom gay
Person 2: No U
Person 1: Heck Frick!
*God enters the room*
God: You are now banished to the shadowrealm, you heckfrick.
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.