Lyric discussion by xxGRAB-thy-hand 

Cover art for 5150 lyrics by Tsunami Bomb

5150 is a section of California's Welfare and Institutions Code which allows a qualified officer or clinician to involuntarily confine a person deemed a danger to himself, herself, and/or others[1] and/or gravely disabled. A qualified officer, which includes any California peace officer, as well as any specifically designated county clinician, can request the confinement after signing a written declaration. When used as a term, 5150 can informally refer to the person being confined as well as the declaration itself.

Dont be a douche elwyn.