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A nickname given to the Regimental Sgt Major of 3 Para (A well know unit of the UK military). The name refers to the uncanny resemblance to the character from the popular series “The Simpsons” called “Chief Wiggum”.

Morgan Wiggum is also a constant source of new catchphrases. Such as “Oi cock smokers”, “Go get em boys” and “Get those fucking sidies up”.
That guy is really fat, he looks like Morgan Wiggum
by Free Wille November 02, 2009
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