Top Definition
When you take a shit in the morning after a hard night of drinking guinness, and it's pitch black, that's the guinness baby.
Hey nigga come take a look at this guinness baby, it's blacker than your mother!
by GuinnessLover March 15, 2009

Free Daily Email

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

Emails are sent from We'll never spam you.