A feacal deposit left in the toilet bowl following an unsuccessful flush. Due to the density of human excreta these visual obscenities usually reside at periscope depth. Simple post-flush checks by the degenerates that leave them behind would render the Brown Submarine a thing of the past.
Bridge Officer: Captain! Bearing 030 off the starboard bow. Brown Submarine!

Captain: Set Depth Charges to Zero...Fire 1...Fire 2...

Bridge Officer: ....Enemy flushed sir.

Captain: Good work sailor, the Rear Admiral will be pleased.
by BrianTrousers February 16, 2009

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.

×