When Dad Misbehaves at the Table

Truman: Yak's milk!
Mom: No! They don't strain it or pasteurize it or anything!
Truman: So I'll find some water.
Dad: No, it has yak poop in it.
Mom: Don't say poop at the table!
Dad: I didn't! I said yak poop!
Truman:...poop.