Check jokes

Little Johnny went to the doctor to get an infection checked on his penis. As the doctor examined it, he asked, "Lil Johnny how did you get an infection on your penis?" Johnny replied, "Well, the damn neighbor Sally's braces are too sharp."

I don't think anyone even checks these jokes.

Why did the library book go to the doctor?

It needed to be checked out.

I lost my job at the bank on my very first day. -- A woman asked me to check her balance, so I pushed her over.