Mad Beaver Disease. This is the beaver version of mad cow disease. The conditions include random, uncontrolled spasms which lead to violent attack of all things surrounding the subject. First encountered in the Panania area and in the local beaver stock. Currently there is no known cure.

Short for "mysterious black dude", the character who briefly appears in the trailer for Metroid Other M. Dubbed this title by the community of the gamefaqs forums, he is known for his famous line "Remember me?" and has been the subject of several pictures and videos.

Short for "My bad dude(s)"

A medieval battle group based out of Council Bluffs Iowa.

MBD - Medieval Battle Day

This organazation has been going on for 5 years and dose not do any roleplaying or dress up or historically acturate battles

Everyone hits eachother with wooden weapons based on a simple set of death rules.

Various events are held, The most important is the Winter Tournament,

Other minor tournaments include the October tournament and the Spring and Summer tournament.

The organization is also 420 friendly.

MBD stands for "my bad, dog" usually used apologetically or sarcastically following some sort of conflict or confrontation about some incident that recently occurred. i.e. An outburst from another party.