Conceive and leave
Example:
Sean:Dude, I went over for a booty call last night but accidentally blew inside her. So I got the fuck out.
Brian: Haha nice! A perfect conceive and leave.
Sean:Dude, I went over for a booty call last night but accidentally blew inside her. So I got the fuck out.
Brian: Haha nice! A perfect conceive and leave.