Contra-Ception
The sexual act of talking about the video game Contra, so that the woman that you are having intercourse with will get bored and will remove your penis from her vagina before ejaculation to avoid pregnancy when you are unable to remove your penis yourself.
Bill was having sex with his girlfriend, and was about to cum. Lucky he was able to use Contra-Ception to have her pull him out because his hands were stuck.
Or
Tom had his hands handcuffed to the bed, so he Contra-Ceived his girlfriend so that he would not cause a pregnancy.
Or
Tom had his hands handcuffed to the bed, so he Contra-Ceived his girlfriend so that he would not cause a pregnancy.