Duck 

A nickname for your little sister.

What's your sister's name?
Duck.

Duck by I💗Hypixel May 18, 2016

duck 

PewDiePie's final transformation

You're going to become a duck if you keep those subs coming.

duck by Johnny Cena June 28, 2016

duck 

a duck is a way of cussing without people knowing lol

IT MEANS YOU STUPID FUCK

YOUR A DUCK

duck by HOGLIFE37 November 15, 2016

Duck 

A word commonly used to describe a fart, coming from the duck-like sound of gas being released from the anus. A ducks potent scent can on occasion leave one flabbergasted and bewildered.

Sarah just threw a duck.
My ex husband kept ducking, so I left him.

Your ducks are especially smelly today, it is fabulous.
Was that a wet duck?

Duck by Wobber Cat January 16, 2017

Duck 

When you mistype dick.

Example 1: I am going to duck's house.
Example 2: He has a long duck. :-)))))))

Duck by Borislav February 15, 2017

duck 

Fuck a dick

I love to fuck your duck

duck by Bernie getthere June 4, 2017

Duck 

It means "Small Dick"
Often used in london

You have a small duck

Duck by iRaidrr July 13, 2017