A wonderfully liberating experience where after rogering a dirty skank senseless, an especially enterprising young scallywag jacks off into his hand then punches his conquest in the face. Shouts of "Wilko" would be humourous but totally inappropriate in these circumstances.
An excellent retaliation if a filthy whorebag has top decked your place of residence.

When you eat dirt for the first time and leave your family to build a shack in the woods