1 definition by k-ferriter

Top Definition
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

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