Can't. I'm doing major Plastic sabotage tonight.
5 seconds sound clip from the Mean Girls (2004) movie soundboard.
You can hear this line at 00:51:33 in the Blu-ray version of the movie.
Quote context
[...]
- Hey, I called you last night. How come you didn't call me back?
- So you need a ride to my art show this weekend?
- No. I have to go to Madison with my parents. I'm so sorry.
- Well, you wanna watch a movie tonight?
- Can't. I'm doing major Plastic sabotage tonight.
- But we don't have anything planned for tonight.
- I planned this one on my own.
- Gretchen thinks you're mad at her because she's running for Spring Fling Queen.
- Oh, my God, I'm not mad at her. I'm worried about her.
[...]