The act of saying your going to do something, but then doing everything except the work that you set out to do. Some people, especially college students, have become pros at this through the use of stumbleupon, facebook, or bored.com.
me: wtf
Someone: wdym.. UnU
Me: u ducking weirdo get away from me
Someone: ducking? wut .-.
Me: ur making me ducking angry
Someone: 0-0
Me: my blood is ducking boiling Someone: I- ;-;
to put the tips of your fingers and thumb together to make the shape of a duck's head, and inserting it into another person's orifice, most commonly the butthole.