while drinking heavily at a function and having a normal conversation with someone, and then to randomly turn your head to the side gracefully and throw up. then you proceed to continue the conversation like it never happened.
holy shit! did you just see that over there, she totally pulled a sidewinder and no one even noticed! suave!
by kneecoal April 26, 2009
Someone who occupies the public bathroom stall immediately next to you, even when there are many others available.
I was the only person in the airport bathroom, so I was taking a #2 when some Sidewinder decided they needed to use the stall right next to me.
by Myrtle Groggins March 10, 2010
When you are looking at a woman from directly behind her, but her breasts are so large that you can still see them from the back. Subject must be big-breasted yet slender, and/or have an hourglass figure to accomplish this feat.
Busty Czech glamour model Jana Defi has a glorious pair of sidewinders!
by Roscoe313 March 15, 2011