In the books, there's also a (somewhat) long setup for a literally shitty joke; in book 1 >! Twin Lannister !< is introduced, and it is mentioned offhand that some people joke about how he's probably >! shitting gold. !< Towards the end of book 3, >! he's shot while taking a dump, and his killer dryly notes that he did not, in the end, shit gold. !<