To run like fuck. Variations include doing pedals, doing hooves, doing sails etc
Guy smoking a joint: Shit its the feds, DO LEGS!
Everyone else: good shout
by motherfucka69a September 4, 2011
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A cheesy pick up line guys ask girls, but most of the time the girls have nothing to say. The current answer is 10:16PM& 3:00AM.
Vinny: What time do legs open baby?
Lisa: 10:16PM, come see me then.
by arkcrash August 10, 2011
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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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what them legs do is a question meaning if she is up for sexual intercourse.
Man: i bought u a diamond necklace so what them legs do?
Woman: Ill tell u later on tonight.
by manoach sigue February 14, 2014
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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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