Brobrahnic Plague
The Brobrahnic Plague. Usually used in relation to bros in abundance, or in relation to most frat houses. Constant audible usage of the words bro, brah, pussy, fagot, dude, tight, and sick. Beer pong tournaments, afflicted or tapout t-shirts, backwards fitted baseball caps, bud light, and biddies.
"Damn son, it's the mother fucking brobrahnic plague up in this bitch... and look at all these biddies."