Top Definition
The act of shitting in a toilet at someone's house and not flushing it. Instead leaving it for the next person to find and wonder who left it.
"I just left a Captain Unknown at Johnny's house. It was Epic"

"I'm going to leave a Captain in every state I drive through when I go on vacation."
by flawless518 August 04, 2012

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.

×