How to hook up 2 bipolar small signal transistors to disconnect ground from P channel Gate, for shut off, without mechanical switch. (Deprive bias from 2nd transistor and 1st transistor is part of optocoupler npn)

 

Show a schematic of the circuit you have.

 

(Deprive bias from 2nd transistor and 1st transistor is part of optocoupler npn)

Something like this?