When a person pretends to do something nice for your birthday such as baking a cake, then throws a hissy fit the day before your birthday involving ignoring you for several days, then blaming you for ignoring them, resulting in said person becoming the BIRTHDAY CAKE BITCH
To process in batch the sending of multiplebirthday wishes to one's external friends on facebook.
Ah, look: I have EIGHT friends with birthdays today...
Hmm, looks like its time for a bit of birthday greeting batch processing...
*Copies and pastes the same text: "Happy Birthday have a great day! :)" into every 'say happy birthday' box*