Mental Suicide 

Defined as: When the Brain attempts to devour itself.

The body has a will to go on but the brain have given up and decided to commit Mental Suicide.

Mental Suicide by Gregory Grubbs September 15, 2006

mental suicide 

The act of doing too many intellectual/ thinking required activities in a short period of time. This causes an immense amount of strain on the mind, instead of dealing with the problems at hand the mind committs suicide by shuting off and leaving the victim incapable of completing a thought.

Juan: "Omg I heard your taking 3 SAT subject tests tomorrow."

Joe: "Yea. Calculus, Chemistry, and French."

Juan: "Dude, that's like committing mental suicide. You're brain is gonna be fried"

mental suicide by rockerdorkxc August 5, 2010

Suicidal/Depressive Black Metal (SDBM/DSBM) 

A sub-genre of Black Metal which focuses on themes of suicide, anti-humanity, self-mutilation, negative energy, and emotional imbalance or unrest.

Some "well known" bands in this genre include: Xasthur, Burzum, Silencer, Make A Change... Kill Yourself, and Nocturnal Depression.

He killed himself while listening to Suicidal/Depressive Black Metal (SDBM/DSBM).

Suicidal/Depressive Black Metal (SDBM/DSBM) by GnostickNihilist23 October 11, 2008