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
by k-ferriter April 30, 2011
Get the pre-sheathing mug.
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...
by ILoveMondays July 24, 2023
Get the Pre-Fire Illuminati Sheathing mug.