1 definition by MRogers

Top Definition
An acronym which stands for "Rocking It Out" or "Rock It Out". As in having a really good time.
you want to buy some patron and RIO it tonight?
#rocking it out #rock #rocking #partying #drinking
by MRogers June 01, 2010
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.