When you are using the Soda fountain at a fast-food restaurant and keep refilling the cup as you drink it, all while standing in front of the machine and hogging it.
Fabian: Yo dawg can you stop fountain jewing? You are holding up the line!
Tyler: Sorry man, I'm thirsty.
by FScottFitzgayreld October 1, 2018
Get the Fountain Jewing mug.