I didn't say the alarm would be off.
3 seconds sound clip from the Half Baked movie soundboard.
You can hear this line at 01:05:24 in the Blu-ray version of the movie.
Quote context
[...]
- You didn't say nothing about no door, yo.
- I smoke weed here all the time. This door's never locked.
- I didn't say the alarm would be off.
- Hold up!
[...]