"Duuuuuuuuty" is a phrase used by people in the Military, for rubbing it into somebody, that in fact does and is on Duty that day of work, thus being stuck there for a full twenty-four hours.
Hey Joe, how's your morning? It's g......It doesn't matter Joe, because your stuck here all day, while were out tonight at the bar with the girls, but you won't be there, why? I know, because your on "Duuuuuuuuty."
by TRISOM DOT ORG March 01, 2011