Define Thomas Shit Meaning

Thomas That Shit!
packing herb on top of a bowl that is not cashed.

person1: who's packing bowls?
person2: this one's not cashed yet.
person1: Thomas that shit!
By Maggee
Thomas The Shit Engine
The act of pulling out from anal on a cold Winter night to the surprise of your dick covered in steaming poo, yelling out "choo-choo!"

As Bobby pulled out of her ass he looked down and saw Thomas The Shit Engine appear. "Choo-choo!" Bobby exclaimed.
By Korrie
Thomas Shit
A strange, slightly homosexual dog, that takes little poops on the floor, and humps little children.

Thomas Scott, is definitely a Thomas Shit.
By Katlin