simple past tense and past participle of dry-hump

plural of hump day

A hump on the back, or the back of the neck, resulting from lipodystrophy.

(slang) Synonym of smash and dash

synonym of speed bump and speed hump

plural of hump yard

(rail transport) a classification yard or marshalling yard which has a hump over which trains are shunted, the vehicles then running on their own by gravity into various sidings.

simple past tense and past participle of dry hump

(rail transport) A kind of slug (locomotive accessory) designed for even slower operation than a yard slug, and able to push a long cut of cars over a hump at very low speed.

plural of hump slug