UYB = Use Your Brain.
usually use for telling friends or jokes.

Running for exercise and picking up trash you find along the way. It's good for the body, mind, soul, and environment! Started in Sweden but is making its way to the U. S.

Acronym: Up Your Bum/Butt is a safer alternative to femoral injecting for drug users.

While UYB is a safer alternative for injectors it carries greater risks than other non-injecting ways of taking drugs such as smoking, swallowing, or snorting.

Drugs taken UYB have a faster and fuller effect than when smoked.