Cheese Bum is what happens on a hot day, or while working in a hot place when you develop Cheese in the Bum area. Can also be referred to as CB.
by dabodeebodah November 14, 2010
The act of inserting cheese down the rear of ones pants, then waiting till the following morning. The resulting humiliating mess is known as cheesebum.
by cheesebum peter September 27, 2011