An alternative to fuck off. Literally meaning to squat down and swoosh a ducks feathers in a circular motion. But used as a defense from a defensive situation.
Cohen: You’re looking pretty short buddy, ahaha dwarf.
Friend: Go fluff a duck!
by bedbuggy666 March 31, 2018
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The action of bending down and swooshing the feathers on the side of a duck in a circular motion.
The phrase is used as a alternative to fuck off
Cohen: your looking pretty short there buddy.
Buddy: go fluff a duck you dirty smuck
by bedbuggy666 March 31, 2018
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