In reference to the 80's ny battle hip-hop scene, the term Duck was used to refer to someone who was not cool, or lame, as in 'lame duck' in reference to a president, which may or may not be the origin. Examples can be frequently heard on Kool Keith albums from that era used interchangeably with 'wack'.
"You wack ducks is perpatratin'"
A duck is a wholly wonderful creature. They also say "quack"
meaning a girl who thinks shes cute, but shes really ugly as hell... or a males female friends...
eww ayo shes a duck!!
oh dat must of been one of ya ducks, cause u took to long!!!
Something to do if Dick Cheney is around.
A herb, dork, geek, nerd, etc.
also) pussy, wimp, loser
You are a fucking duck.
To avoid something you really dont want to do.
I,m going to duck that meeting as I have something much more interesting planned!
A group of ugly broads
"Jay,you go to the club last night?"
"Yea,wasnt nothin but ducks
there,so i went over melyssa house to get a deluxe"
That thing you yell after you see somebody get hit in the head.
Person A: *gets smacked in the head by a football*
Person B: "...DUCK!"