The term 'Brute of a Guy' can be summed up by the crossword solution 'OGRE', which is a mythical creature typically characterized as a large, hideous, and monstrous humanoid. It is often depicted as a giant, brutish, and violent creature that feeds on human beings. In some stories, ogres are even said to have magical powers. The term 'Brute of a Guy' is often used to describe someone who is strong, intimidating, and aggressive.