the dave you are not looking for's definitions

duck

Female - Not necessarily ugly but not as hot as the rest of the females in the room/group. See also: Young female out in the world for the first time (clubs, raves, concerts whateva) she still has her baby fat, has stuffed herself into something that is showing off to much midriff, cleavage or t-bone and has the air of self confidence and flirtatiousness that comes from the uncertainty of her position in the food chain.

Example 1:
(playa 1)"Dude I think that chick is totally into you"
(playa 2) "ya but she is totally a duck"
Example 2:
"I mean, I ain't trippin' I'll still tea bag 'er or sumtin but she is definetly a duck"

by the dave you are not looking for October 25, 2006