To have sex (with).
To carry (something), especially with some exertion.
To bend something into a hump.
To shunt wagons / freight cars over the hump in a hump yard.
To dry-hump.
A mound of earth.
An act of sexual intercourse.
A bad mood.
A speed bump or speed hump.
A wave that forms in front of an operating hovercraft and impedes progress at low speeds.
A rounded fleshy mass, such as on a camel or zebu.
A painfully boorish person.
A deformity in humans caused by abnormal curvature of the upper spine.
To have sex with each other.
To be intimate with each other in the same bed.
Used other than figuratively or idiomatically: see sleep, together.