1. Phrase used to describe some fucked up shit.

2. Also can be used to describe something impossible

It ain't gonna happen. It's like telling a one legged duck to swim straight
by PTM May 10, 2006
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If someone asks if an answer is correct, and its clearly obvious to everyone it is, then the retort is "do one legged ducks swim in circles?"
"Is the sky blue?"
"Do one legged ducks swim in circles?"
by Dubster May 26, 2003
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If someone is trying to proove a point , but really has no idea what they are arguing , they might use this phrase "Do one legged ducks swim in circles?", it will throw the opposition for a while until the realise that no they dont , that would be stupid , thus is only good for short term evasion.

subject change is recommended before they realise :)
Fred:"so you actually understand quantum physics??"
Sam:"Does a duck with one leg swim in circles??"
Fred:"umm ??"
Sam:"look at the weather!!"
..
..
much later ...
Fred :" hey wait a minute , no !!"
by Duck expert May 27, 2003
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