Looks like something a 2 year old could knock up in a couple of minutes.

She was the woman married to the man who knocked up his mother.

They'd show a yes or no if you're knocked up.

"He knocked up your mom and left her before she knew?"

People expect girls from the Corner to get knocked up.

Did a good girl get knocked up while she was still in high school?

He will set out at once to his friend's house and knock him up.

"At least I know you're not out getting knocked up."

Young fellow came and knocked him up in the middle of the night.

Knock up old Jim and try to change his mind?