Quote from Jerry in The Couch
Jerry: Kramer, Kramer, what is this?! Kramer: What is what? Jerry: This puddle on my sofa! Kramer: What puddle? Jerry: That puddle! Kramer: [shudders] I don't know. Jerry: Is it...? Could it...? Could he have...? It is! Poppie peed on my sofa!