I would like to clarify that Fat Guy did not intend to trick anyone with a bottle of urine, but rather will frequently keep one on his person. The trick was a fortunate side-effect of being dead.

↓ Transcript
Indn: Gasp. Fat Guy is Dead.
Nigr: He still clings to his bottle. Let us drink from it.
Indn: Yes. Drink.
Nigr: It's full of urine.