I think that's in the back building.
4 seconds sound clip from the Mean Girls (2004) movie soundboard.
You can hear this line at 00:06:04 in the Blu-ray version of the movie.
Quote context
[...]
- Do you guys know where Room G14 is?
- Health, Tuesday Thursday, Room G14.
- I think that's in the back building.
- Yeah, that's in the back building.
- Thanks.
- Watch out, please! New meat coming through!
[...]