rob mob 

Descendants of the Oompa Loompas. A little person. Usually under 5'7. Has abs of steel and their hair is never messy.

Hey is that a rob mob in your pocket?

rob mob by Herbalife hulk October 22, 2013

Mob Rob 

When a mob of people swarm into a store and steal everything they can carry. The store workers become completely overwhelmed and can do nothing to stop it.

We're gonna mob rob the 7-11 tonight.

Mob Rob by wealthdaily June 29, 2011