1: Done before occurring, or over before starting.
2: Premature ejaculation, abortion, or stillborn baby.
1: Akiva Schaffer: Yo Jorma. did you hear that Andy was with a girl last night... And he jizzed in his pants?!
Jorma Taccone: Yeah! All his sexual encounters are endstantaneous!
2: Dustin Diamond: Hey Robocop, did you hear that Wonder woman had an abortion?!
Robocop: Yeah, that poor kids life was endstantaneous.