A tremendously slutty girl who enjoy's sucking dick. Often drunkenly said instead of dick sucker on purpose or by accident.
Ask that slut Aly for a blowjob. She's a duck sicker.
by Scooter scoot March 03, 2009
Another way of saying "dicksucker". I'ts cooler and a lot more creative.
Watch where you're going, ducksicker.
by Marcus Reed August 19, 2006