The juices exerted from a man's body, especially during Yuletide, in the winter, and immediately following Lent. Single men are the largest contributors of unconfined Man Gravy, which can be a major problem if the resources to clean up Man Gravy are not at hand. Some find the taste and smell of Man Gravy too much to resist, and can often be found using Man Gravy for everything from condiments to new fashion styles. Can also be used for painting, and with proper preparation, sculpting.
Also refered to as "The (Insert Male Subject's Name)'s Special"
"That room is completely covered in Man Gravy!"
"I accidentally got Man Gravy all over my bed sheets."
When you place a large helping of mashed potatoes into the ass crack of your individual of choice. Then you spray your "Man-Gravy" onto the mashed potatoes and proceed to eat them out of your partner's ass. If Beef Wellington is involved, the partner shits into the Mashed Potatoes the entire load.
Kyle iinvited me over for dinner. He failed to tell me that Mashed Potatoes Man-Gravy was to be our dessert. Of course, I surprised him with a little BeefWellington on the side.