A very complicated multi-step sexual act involving the third stall in a Walmart bathroom. There are over 100 steps, including literally dying and going to hell as well as complete anal prolapse, and giving away both of your kidneys.
"Sam and I totally did a Dutch Shovel last night."
"All the way to step 17?"
"You know it dude!"
"Damn!"
The action of using one's tongue to root around in a smelly anus. The tongue usually accumulates butt fucking residue left behind from rigerous anal sex.
Dude, you tongue shovel her stink ditch after dippin in her basement last nite.