Scrubnub, A noob that also manages to be skrub at the same time often screwing up your Crucible Raid's and wiping your Team in Destiny or Shooting you in the head while playing Rainbow Six Siege.
The leftover food from other items in a fast food to-go bag. Typically this is used to mean the loose french fries in the bottom of the bag, but can be expanded to include other (solid) foods that have fallen out of their individual container into the bag.
"The other day we went to McD's. I paid, but that jerk Ryan called dibs on the scrubrubble!"