It is the combination of Ground Beef, Mashed Potatoes, and Brown Gravy. The Mashed Potatoes are grounded on the bottom as the foundation, then the Ground Beef is stacked on top of the Mashed Potatoes and topped off with a small amount of Brown Gravy. It is a tradition of Alabama, to squish a dinner roll with your palms and scoop said food combination, it makes for a delicious meal.
"Hey mom, are you making Malachi's favorite meal today?"

"Mmmmm... You did a great job on the gravy train, Mom. The Mashed potatoes taste great!
by Code January 22, 2019
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The act of gluing shreds of paper to your cock and then analy going down on your partner or significant other causing paper cuts and spilling human gravy all over your cock and re lubing it.
Yo me and my gf had a whacky and silly gravy train yesterday!
by UwUCumSlut February 19, 2023
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"yeah bro i banged her out and gave her a lil taste of my special gravy last night"
by beansinmycoochie March 1, 2022
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