Just another one of those words that you don't hear correctly as a child, and then continue to mispronounce throughout your childhood and early twenties.

See 'mechanical veins'
"John, put the bottle down! That's enough chukney on your potatoes!"
by photofx April 12, 2010
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A water-based poo that can come out of your bottom.
Gay 1: Ah, thats better.
Gay 2: You better of got rid of your bum chukney, for tonight. ;)
by Catnob January 1, 2014
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