licencia entoces
There are several ways to tell someone to leave in Spanish. One can say dejar. Another way is to say salir. Yet a third way is to say abandonar.
Voy a irme
nunca me dejes
No salgas -or- no te vayas
Alístate para ir.
I would just leave it as "Dexter".
Baby don't leave = Bebe no te vallas
salir de la casa
publeo ert poel
Hola, dejame mensaje.
Amame o dejame en paz
Nunca en tu vida, déjame.