1 definition by Timmy "Tim-Tim" Timmerson
The act of masturbation to completion during oddly non-erotic situations, generally ending with sperm on the bottom of a desk or table, or soaking into your pants.
Man, I was really Shafering hard while watching that youtube video about point-of-sale systems. My pants are soaked with cum now.
by Timmy "Tim-Tim" Timmerson March 13, 2015