Last Cleaning Position Left

What is Last Cleaning Position Left?

Last Cleaning Position Left meaning in Military or Military Slang terminology / glossary / dictionary is:
(U.S. Marine Corps) A play on the abbreviation “LCPL” for Lance Corporal, the highest non-NCO rank. used to remind a Lance Corporal that they are still subject to having to clean.

 

reference: Glossary of military slang