Celebrate "Mean Girls" Day with a few quotes from the 2004 hit movie.
Actress Lindsay Lohan accepts her award for Best Female Performance for "Mean Girls" onstage during the 2005 MTV Movie Awards at the Shrine Auditorium June 4, 2005 in Los Angeles, California. Photo by Kevin Winter/Getty Images

Although Regina George (Rachel McAdams), Karen Smith (Amanda Seyfried), Gretchen Wieners (Lacy Charbert) and Cady Heron (Lindsay Lohan) only wore pink on Wednesdays, the infamous Plastics from the 2004 cult film “Mean Girls” would most likely make an exception to their color rule this Monday to honor "Mean Girls" Day. The holiday celebrates the day Lohan’s character Cady was asked a very important question on Oct. 3 by her crush Aaron Samuels (Johnathan Bennett): “What day is it?”

Celebrate the blockbuster film and check out a few famous quotes from and pictures from “Mean Girls” below:

1. “Boo, you whore!”

2. “It’s like I have ESPN or something.”

3. “Don’t have sex, because you will get pregnant and die. Don't have sex in the missionary position, don't have sex standing up, just don't do it, OK, promise? OK, now everybody take some rubbers.”

4. “It’s not my fault you’re, like, in love with me or something!”

5. “Would you like us to assign someone to butter your muffin?”

6. “Is butter a carb?”

7. “You go, Glen Coco.”

8. “That’s why her hair is so big; it’s full of secrets.”

9. “You can’t just ask someone why they’re white.”

10. “So you agree. You think you’re really pretty.”

11. “She’s a life ruiner. She ruins people’s lives.”

12. “She doesn’t even go here!”

13. “Gretchen, stop trying to make fetch happen! It’s not going to happen!”

14. “Sorry, we only carry sizes 1, 3, and 5. You could try Sears.”

15. “I, like, invented her, you know what I mean?”

16. “On Oct. 3rd, he asked me what day it was.”

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