To commit suicide by a gunshot to the head. In reference to Persona 3, where the main characters use an Evoker (a gun-like device) to summon the titular Personas by pointing it at their head and firing, almost as if committing suicide.
โYo, what the fuck happened? I heard John died.โ
โWell, he tried to summon a Persona.โ
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Euphemism for suicide by gunshot to the temporal lobe, a reference to Persona 3.
"I have nothing left in this world." "So summon your persona already!"
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