Richie Tozier: Aren't you guys coming in?
Eddie Kasbrak: No. It's gray water.
Richie Tozier: What the hell's gray water?
Eddie Kasbrak: It's basically... Piss and shit. So I'm just telling you. You guys are splashing around in millions of gallons of Derry pee.
Eddie Kasbrak: There is a kid outside, looks like somebody killed him.
Richie Tozier: Doesn't smell like caca to me senor!
Eddie's Mom: Come give your mother a kiss.
[Eddie kisses his mom]
Richie Tozier: Would you like a kiss from me too, Ms. K?
Richie Tozier: Do you use the same bathroom as your mother?
Eddie Kasbrak: Yeah, sometimes.
Richie Tozier: Then you probably have crabs.
Eddie Kasbrak: That is so not funny.
Answer: They are singing a little rhyme called Oranges and Lemons.