Term used by a group delirious Irish birds (girls) to locate eachother in a crowded setting. ‘WAHGAHCAH’ is repeated aloud until the birds are reunited. Similar concept to the game ‘Marco polo’.
Person 1: WAHGAHCAH
Person 2: WAHGAHCAH
*reunited*
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.