A fork of Rural Dictionary
used as an insult or threat. especially if you can't think of anything. sometimes is considered STRONG LANGUAGE.
that person who sits next to you: (steals eraser) ha! ha! ha! you: give that back or i'll....... that person who sits next to you: or you'll what? you: quack you!
The retching noise made when having deep throat oral sex.
"Can you quack like a duck?" I asked whilst unzipping my file with an evil gleam in my japs eye...