crackhead alarm

When you hear someone loudly singing, yelling, or ranting in the middle of the night. This phenomenon is dubbed as "the crackhead alarm" in most urban areas due to the fact that it interrupts your sleep.

Guy 1: Why do you look so tired?
Guy 2: Fuckin' Crackhead alarm went off.

by AcneAndAnthrax October 20, 2014