Biscuit Train
The opposite of a gravy train job where you do nothing all day, a biscuit train usually requires full effort.
"I'm gettin' too old to be riding this biscuit train everyday!"
I'm dead tired from riding the biscuit train all day.
"Suck it up boys! We're on a biscuit train with gravy wheels!"
I'm dead tired from riding the biscuit train all day.
"Suck it up boys! We're on a biscuit train with gravy wheels!"