Pre-Fire Illuminati Sheathing

The act of taking a legitimate workplace abbreviation or acronym and turning it into a phrase that is nonsensical purely for the sake of a good hearted laugh that is victimless.

I think that workplace acronym (pfis) stands for Pre-Fire Illuminati Sheathing. Ahhh Mondays...

pre-sheathing

The act of putting on a prophylatic underneath one's trousers before going out one evening in anticipation of copulating

Often used by people who are inexperienced in putting them on

Also known as BGM

I was surprised when I thought he was handing me a banana in the club, but it turned out he had just been pre-sheathing