Mull of Kintyre rule

English

Alternative forms

Etymology

From the shape of the Mull of Kintyre peninsula in Scotland, which somewhat resembles a flaccid penis.

Proper noun

Mull of Kintyre rule

  1. (humorous) According to an urban legend, an unofficial guideline used by publishers and the media in the United Kingdom to decide to what degree of erection an image of a penis can be shown.