duty 

Used in military terminology to describe the mandatory task of providing security or lookout for anything from an ammunition arsenal to an empty barracks. Can last for a few hrs or 24 hrs. Usually given at the worst possible times and weekends to remind you of why you ever joined the military.

Marine: Woot woot!!! It's Christmas, time to go home!!!

1stSgt: Oh fuck no! You have duty Christmas day, don't bother going home.

Marine:FML.

duty by jmusmc85 June 6, 2010

duty 

A word commonly laughed at by people no matter how mature you are.

It is normally laughed at as people use the word duty as slang for feces.

Person 1: IT IS YOUR DUTY!

Person 2: Hahaha......... duty.

duty by domki366 January 6, 2013

duty 

(To take) a shit. A shit.

Hold on I have to take a duty.

duty by Nick August 24, 2003

duty 

Diarrhea of the comical kind (which is all diarrhea).

Ahahah. Duty. Ahahah. Diarrhea.

duty by Didda Tinkle May 24, 2004

Duty 

Trash. Ugly. Anything nasty.

My hair looks like duty today,

Duty by JWMW.xo April 24, 2009

Duty 

The Honor in which a person takes upon him or herself to serve his God or country.

He was not hesitant do his duty in church today.
In the Navy I was proud to do my duty.

Duty by DrewPdrawers July 25, 2011

Duty 

sumthin that is nasty

"er thats duty"

Duty by Blacktionman September 28, 2003