An Orinoco Flow is a rather messy and 'river' like stream of piss which is often produced after prolonged anal sex with a member of the same sex due to their un-emptied bowels.
I went to Wimbledon Common, met a man and ended up with an Orinoco Flow.
© 1999-2015 Urban Dictionary ®
Free Daily Email
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from firstname.lastname@example.org. We'll never spam you.