John Wayned is when she has been done so hard she is walking like a cowboy that's just spent three months out on the trail on the worlds biggest saddle!

Shitting yourself the having to walk in a cowboy-esque fashion

After having unprotected sex, the woman is left full of semen and as such has to do a John Wayne type walk to the bathroom to clean up, trying not to get cum running down her legs.

Verb. To Stick your chin in the air, feel the stubble, and let people know who you are. Lets people know how much better you are than them.

Not to be confused with sticking your nose in the air. The Chin lets people know your important.

The sexual manouever in which the penis is inserted into the anal cavity of the receiving party, thus widening the sphincter. The receiver of the 'John Wayne' will, if the manouever is performed correctly and with the appropriate equipment and vigour, be unable to walk with great ease. Their legs shall be bowed and walk as a cowboy, or John Wayne, does

As in "take a John Wayne".
To poop.
Derivative of dookie, to dook (or duke). Since John Wayne is "The Duke", taking a John Wayne is taking a crap.

A rash on your inner thighs caused by sweating and them rubbing together that causes you to walk like John Wayne.