A standing wave in a rapid.
A dish composed of a starchy food (rice, tortillas, crackers, etc.) topped by a protein (beans, cheese, meat, etc.) in combination with fresh vegetables, assembled on the plate by the diner.
A mound, pile, or stack of stored hay.
The text string within which another string is searched for. (see: needle in a haystack)
A wave that forms in front of an operating hovercraft and impedes progress at low speeds.
A mound of earth.
An act of sexual intercourse.
A bad mood.
A speed bump or speed hump.
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 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.
To have sex (with).