ego suicide
e•go su•i•cide

/ˈēɡō ˈsü-ə-ˌsīd/

1.) When a person's ego causes them to take a large dose of Psychedelics in order to intentionally induce a complete loss of subjective self-identity (also known as 'ego death')

2.) One's ego intentionally inducing ego death
I ate 10.5 grams of Shrooms the other night. It was complete ego suicide.