A huge Piss, one capable of flooding villages.
Pisser: Nigga, I gotta take a dragon piss, cuz.
Me: What the fuck's a "dragon piss"?
Pisser: It's a huge ass piss, nekkuh, haven't you ever seen how big a fucking dragon is? Imagine that green dragon from DragonBall Z takin' a piss, cuz, that shit be floodin' villages and shit, son.