Crumb snatcher

Small time thief

The car wash dude took the change out my cup in my car, wow that dude is a fucking Crumb snatcher

Cutting Crumbs

To perform a task that has no meaning or purpose to do

Friend 1: what are you doing?
Friend 2: balancing a clothing hanger’s tip on a nail
Friend 1: …you’re really cutting crumbs here, dude