it's an exclamation of joy or happiness when something good happens to you. when you get a girl. when you win a game. when you score a goal. when you get good grades. but the phrase only works if you're a patriots fan. because the ultimate way to use it is when the pats win!
When one squats over their partner's chest and releases diarrhea while waddling down to his/her genitals. A derivitave of the Cleaveland Steamer and occasionally accidently a product of an attempt at so.
"What happened with that girl you took home last night?"
"She wanted to get freaky, so we decided I'd lay a Cleaveland Steamer on her chest, but I'd had some bad food beforehand, and it turned into a Gravy Train"
when lads take it in turns giving a female anal, the latter lads will be sturring the cum of the previous men and the females poo particles, making a gravy train.
me, Matt and Mike gave that dirty bird Lisa the Gravy Train last night.
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!