Top Definition
the general rash, stickiness, discomfort and rotting of between the ass cheeks usually caused by walking around all day with a sweaty crevice.

also defined as: moisture and friction induced rotting of the anal area accompanied by pain and stench.
After not wiping sufficiently and walking around Disneyland all day in the heat, Josie had a terrible case of buttrott.
by tammypants June 15, 2009
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