fideleskin' 

The act of blasting with your best friend no matter what your doing or what the occasion

Me and Rob were fideleskin' all day!

fideleskin' by ErrrrrJayyyyy July 26, 2011

fiddleskin 

The correct definition of a fiddleskin is a penis/ cock/schlong/ tallywacker/ dick/ willy/ one-eyed monster

Person 1: just so you know, i didnt just dook, i played on my fiddleskin too
Person 2: fiddleskin?
Person 1: (penis)
Person 2: ...
Person 2: thanks for that.

fiddleskin by Fenderkid698 January 13, 2006