1 definition by EJO, UK

Top Definition
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.
My groin is pinned to shit, gonna have to go UYB.
by EJO, UK July 10, 2008

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.