A hump is a small hill or raised area.

A camel's hump is the large lump on its back.

A hump is a large lump on a person's back, usually caused by illness or old age.

If you hump something heavy, you carry it from one place to another with great difficulty.

To hump someone means to have sex with them.

If someone gets the hump, they get very annoyed about something.

If you say that you are over the hump, you mean that you no longer have a problem or difficulty that was stopping you being successful or happy.