This word, "AssQuack" means to fart.
This word got it's definition by the two words : Ass, and Quack. Quack would represent the sound that comes from your fart, and Ass would represent your ass. Together they create AssQuack, and mean the Quack that comes out of your ass, in other words - Fart.
My assquack was really loud and smelly.
My fart was really loud and smelly.