The state of being one finds oneself in after being repeatedly penetrated by a person with a below-the-knee amputation of a leg. Generally done in such a way that the remaining portion of the amputated leg is fully inserted into the orifice in question. Normally executed with a dominant female amputee as the "top" and a submissive male as the "bottom".
Trevor: "Dude! That wench just shinfucked James so hard that it might turn him straight!"

Simon: "For sure, dude! Why aren't there any girls in Millet like that?"
by Weasley! February 7, 2014
Get the shinfucked mug.
An insult used to offend someone implying that they fuck shins
*While Playing On The Playstation*

Blaine: "Your going to miss Rockface"
Joe: "You wish you.....Shinfuck!"
by Joe Pursell June 15, 2008
Get the Shinfuck mug.