An illness depicted in the show Fullmetal Alchemist, in which the body of the infected person slowly turned to stone. Most medicine would not work to combat this disease, and the only cure for this illness was the fabled philosopher's stone.
To get/ be extremely drunk to the point where you will most likely have a hangover Alternatively, it can be used to signify a feeling of extreme tiredness to the point where it feels like you could have a hangover
Alan: We're all getting totally fossiled tonight, wanna join? (extremely drunk)
or
Alan: I feel so fossiled, man. (tired/hungover)
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.