To go home after a bad night out or other disheartening event and console ones self by sitting in the dark and having a wank. Also know as pulling a Joni or an SW. ( crying optional but recommended)
Just got knocked back by a blindmidget... I'm going home for a sad wank.
A wank with a Johnny on. The kind of wank you treat yourself to have, you don't have it everyday because its the 'royal' treatment.
Adapted from the inbetweeners - Neil, if the pressures ever to much you can borrow one of my johnnys and have a wank royal. A what? You know a wank royal, a wank with a johnny on.