It's your own fault because you're so wishy-washy.
— Sally Brown (Hilary Momberger)
7 seconds sound clip from the A Charlie Brown Thanksgiving movie soundboard.
You can hear this line at 00:05:14 in the Blu-ray version of the movie.
Quote context
[...]
- Don't worry, we won't make any problems. We'll help clean up the dishes and everything.
- Just save me a drumstick and the neck, okay, Chuck? See you, Chuck.
- How do I always get into these things?
- Now she's bringing Marcie too.
- It's your own fault because you're so wishy-washy.
- Hey, guess who just walked in over here. It's Franklin.
- I told him about the big turkey party you're having and he's sure his folks will let him come.
- Hey, Chuck, this is gonna be the biggest bash of the year. See you.
[...]