A conflict arising between two Bros on sensitive subject matter such as hair-style, beer-pounding ability, toking capacity, dick-taking maximums, or Polo fashion sense. Usually contained within two Bros, but can be seen to consist of as many as 8.5 Bros depending on the Bro-cial situation. A Brogument often ends with a Bro-backdown, in which one Bro submits his Bro-chismo to a certain degree, until the next Bro-frontation, where the process repeats itself.
Brandon and Pink got into a heated Brogument over the extensiveness of their Sperry Top-Sider collecitons.
After Joe brought his main squeeze to the last Brodown, a Brogument sparked because any Bro knows 'you can't bring your Ho to a Bro...down.'