Mike, this isn't Boo's door.
4 seconds sound clip from the Monsters, Inc. movie soundboard.
You can hear this line at 00:41:30 in the Blu-ray version of the movie.
Quote context
[...]
- Okay, send me a postcard, kid.
- That's Mike Wazowski, care of 22 Mike-Wazowski-you-got-your-life-back lane.
- Very good. Now bon voyage! Bye-bye!
- Come on. Look at the stick. See the stick? Go get the stick! Go fetch.
- Mike, this isn't Boo's door.
- That's what I decided to call her.
- You're not supposed to name it. Once you name it, you start getting attached to it!
- Now put that thing back where it came from, or so help me...
[...]