The phase to "refloat my kidney", originally from the UK, means to start drinking, usually after an unusually long period of sobriety.
Dave: You keen to go to the bar after work?
Mike: No, but you sound pretty keen!
Dave: I'm dying to refloat my kidney - I haven't had a beer in a couple of weeks.
Logging in to a game or online service directly after being connected. This is used to help whoever is relogging in one way or another, such as connective issues or getting something daily, and will tell friends that you will be afk during the time.
Player 1:(at 12:05 am) Have you got your daily gift yet?