Bullet Thoughts

I got a lot running through my head right now. I wish at least one was a 12-gauge round.

Suicide
Head
Depression
Death
Mental Health
Wish

Explanation

The person is saying that they are having suicidal thoughts, and they wish a bullet was in their head, implying that they would rather die than deal with their problems. It's dark humor because the person is talking about suicide in a casual way.