Mostly a term used by gay men to describe unprotected sex between to men having anal sex. No condom other words. Occasionally used heteros as well but not often.
Let us do it bearback tonight -the natural feeling of my penis rubbing against your insides is mind blowing.
Someone who works behind the bar doing everything but serving drinks. They do things like restocking the fridge, replacing spirit, wine, and juice bottles, cleaning, replacing ice, et cetera.