Hey, I couldn't help overhearing you guys.
4 seconds sound clip from the Half Baked movie soundboard.
You can hear this line at 01:03:39 in the Blu-ray version of the movie.
Quote context
[...]
- Man, that's Brian's boy. I didn't let him stay here.
- Hey, I couldn't help overhearing you guys.
- You know, if you want to double your profits, you should just go in there and rob that lab.
- Tomorrow's Sunday. There'll be no one in there.
- Just go in and rob the place blind.
- Hey, seeing as how we don't know who you are and all, are you planning on moving out anytime soon?
[...]