Top Definition. debunked. Originally meaning something thought to be true now proven false, it is now used as another way to say uncool or lame, but when self-proclaimed debunked, it is understood that you are the cool kind of loser.
Watch James and Malcolm Stewart get down and dirty at their motocross compound in Florida. There are few motivational factors that have the same effect as sibling rivalry. It oftentimes pushes a brother or sister to higher levels of excellence. Take the Stewart brothers, for instance.
It is of Scottish and Gaelic origin, and the meaning of Malcolm is devotee of Saint Columba. The name of the prince of Scotland who became king after Macbeth murdered his father. Shakespeare's play was based on the true story.