3 definitions by mcbain

UPI
Un-Identified Party Injury, Mysterious injuries discovered after a a period of intoxication.
This morning, I woke up with a UPI on my leg.
by McBain February 07, 2002
ACS
Ancient Chinese Secret, Information that is confidential.
When asked for the for the secret formula, I replied "ACS"
by McBain February 07, 2002
Muscular.
Yo that nugga is ripped.
by mcbain September 16, 2003

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.

×