Camelback

[Dave Paprocki]

A backpack with alcoholic beverages in it, which is most commonly used in public places where it is not easy to obtain one

[Mark Zuckerberg]

A sexual act that takes place in a desert or dry place. the girl then gets dehydrated to the point she has no saliva and then proceeds to suck the guy with no lube, midway through the girl bites down causing the guys cock to have a bump like a camels back, the girl then proceeds to use the blood as lube to finish the job.

[Justin Bieber]

A back with a hump-shaped curve on a sofa or other piece of furniture.