a check that can't be cashed because not enough money is on deposit (because if one did so it would bounce)
I found a rubber check in his room.
an explanation of human reproduction, especially to a child
She is so ignorant. She probably has not been taught so much as the facts of life.
a person who is unlikely to win in a competition or is at a disadvantage
He was the underdog but he came out on top anyway.
worthless, not having any merit
Get back to your dump, and take your no-account mutt with you.
a prostitute, a woman who has sex for money
When I learned that she was a lady of the night I thought I was going to vomit.
to leave one's job, especially out of concern (from the image of passengers abandoning a sinking ship)
He almost had an urge to jump ship when he got in trouble something that was once trivial.
1. I agree
2 I will give you what you requested
You got it. There are many things that don't quite add up in this report.