Man, I really should've used a condom with her... I knocked her up!

"Billy go and knock up your sleppy head brother."

Danny: "I guess I should've used a condom last week..."
Mike: "Dude you can't go around friggin' knocking up ten-year olds!"
Danny: "There's no statutory rape law in Maine."

It is bad to get knocked up, you know that baby is gonna be messed up.

If you don't use protection you will probably knock her up.

The purpose of Tyrone forcing sex on Brie Ann, the prom queen, was to knock up the queen and also to knock her off the throne and change her attitude. Brie Ann had been rubbing him the wrong way for months. Now she could think about this for years.

mom: where are you going?
me: i'm going to go knock up for brian.
mom: ok, be home at 6 for dinner.