man, my ups driver gary, had a gravy train becasue it was so hot out and he's a fat bastard
is when a overweight, or heavy man or woman, usually man, sweats a lot and runs down his face, neck or body like a train
"man, my ups driver gary, had a gravy train becasue it was so hot out and he's a fat bastard" What is the definition of "gravy train"?