Well, they can tell when it's raining.
5 seconds sound clip from the Mean Girls (2004) movie soundboard.
You can hear this line at 00:47:43 in the Blu-ray version of the movie.
Quote context
[...]
- I'm kind of psychic. I have a fifth sense.
- It's like I have ESPN or something. My breasts can always tell when it's gonna rain.
- Well, they can tell when it's raining.
- I have to admit, I was mildly horrified when Aaron didn't immediately ask me to be his girlfriend.
- I mean, I know he was sad, but how much time did he need?
- Do you guys need anything? Some snacks? A condom? Let me know.
[...]