“- Danny Muldoon: You came home late. You were arguing and I woke up. I was scared. I didn't know what was going on, so I listened in at the door.
- Rose Muldoon: A little spy.
- Danny Muldoon: Come on, I was only 12.
- Rose Muldoon: Spy!”

John Candy - Danny Muldoon
Maureen O'Hara - Rose Muldoon

“We are men who still live at home. We're not here to apologize about who we are, how we do it, or who we live with. I'm looking around this table, hombres, and I see three winners, huh? And to every one of those out there who sees something different, I say bring it on, 'cause it's gonna take a stick of dynamite to get me out of my parents' house.”
Matthew McConaughey - Tripp

“My parents fucked once in their lives. That's why we're twins, they didn't want to make it twice.”
Eva Green - Isabelle

“- Clark Griswold: Audrey! What are you doing? Ten years of tap dancing lessons and this is the way you repay us?
- Audrey Griswold: What? You told me to get a summer job.”

Chevy Chase - Clark Griswold
Marisol Nichols - Audrey Griswold

“- Bud: He said I was selfish. He said that everything's always about me.
- Cindy: He called me a drama queen, said I was trying to sabotage him.”

John Lithgow - Bud Brumder
Catherine O'Hara - Cindy Beugler