When you are masturbating to the point BEFORE the climax, then when a girl comes into the room you pull down her pants and stick your penis
inside her pussy
. Since you were about to reach your climax, you end up having an orgasm in her vagina.
*guys sticks his penis into girl's vagina without her consent
and has a flash bang*
Girl: How did you have an orgasm one second after raping me?
Guy: I was masturbating before and I just had a flash bang.