When somebody ejaculates a sizable load directed at the crotch area of a naked person in range, not necessarily the person involved in the act. Then the ejacualtor douses the cummed-on-crotch with baby/talcum powder...
Result, PASTE PANTS!!!
I usually go out dancing in my paste pants...
An item of clothing usually consisting of talcum powder and h2o. In the event of shrinking leather pants, paste pants are an essential garment which can - in many cases - be carried off without questioning. Paste pants are an idea courtesy of Joey Tribbiani.
Joey Tribbiani - If the paste matches the pants, you can make yourself a pair of paste pants.