Curb abortion 

Stems from the movie "American History X" where the main character makes his opponent "bite the curb" while he stomps the back his head. A curb abortion occurs when a women lies belly-to-curb while her unborn child's father stomps on her lower back, thus aborting the fetus.

Goddamn condom broke again! Eh, fuck it ill just give the bitch a curb abortion.

Curb abortion by Mein Fetus September 24, 2005