Greg Focker: [singing] And if that mockingbird don't sing, then... Greg is gonna buy you a... diamond ring. And if that diamond ring gets sold, then... Greg is gonna feel like a... big asshole.

Little Jack: ...Asshole!

Greg Focker: [surprised] !... No... oh, no, you don't wanna say that word, cause that's a bad word!

Little Jack: Asshole!