Damage sustained due to some very stupid action or irrational behavior.
The doctor said he skull sustained a lot of dumbage after he said "Watch this!", and did a back flip from the roof of his tree house.
A sandwich of an inferior quality given to musicians - members of the band - entertaining guests of your boring event.
After I've been playing for over two hours at that middle age crisis wedding, they gave me one stale bandwich to eat and some half-and-half as a drink.