Term usually used/heard in combat. Means an individual or persons is extremly vulnerable, possibly out in the open and or helpess in their current position.
by UglyMug November 6, 2004
My girlfriend loves Sitting Duck.
by SittingDuck June 30, 2009
Literally the worst affliction of nausea with diarrhea and vomiting simultaneously where you're sitting on the toilet while ducking into a bucket at your feet to vomit, typically caused by food poisoning.
"I can't make it to my grandmother's mammogram appointment because I've been sitting ducks all this morning."
by cdb1 December 12, 2021
by buttuglyothered the man October 20, 2003