Similar to the curbstomp. You place a preggo wombside down against a curb, then you stomp her spine. A succesful wombstomp should send the fetus shooting out like a bloody shotgun.
When you fail at something in life (eg. failing an exam or not getting a job), go home and spend an hour just standing in the shower, propping yourself up against the wall with your eyes on your feet.
Caleb knew the only thing to do after he didnt get prefect was take a failure shower.