I pretended to be bad at math so that you'd help me. But the thing is, I'm not really bad at math. I'm actually really good at math. You're kind of bad at math.

11 seconds sound clip from the Mean Girls (2004) movie soundboard.

You can hear this line at 00:59:27 in the Blu-ray version of the movie.

Quote context

[...]

- No more liars.

- I would never lie to you.

- I know, I know. (2)

- Although... Okay, listen. I mean, I did lie to you once, but you're totally gonna laugh when I tell you, so...

- Tell me what?

- I pretended to be bad at math so that you'd help me. But the thing is, I'm not really bad at math. I'm actually really good at math. You're kind of bad at math.

- Anyways, now I'm failing. Isn't that funny?

- Wait. You're failing on purpose? That's stupid.

- No. Not on purpose.

- Just, you know... I just wanted a reason to talk to you.

[...]