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1) when the parties involved in a bromance are unhappy with each other.
1)What's up with JD and Turk? I thought they were buds?

Oh, they're fighting, touch of brositis. Happens in all the best bromances.
by JVDoc October 25, 2010
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2
Joint pain caused by participating in activities with your bros.

Examples of such activities include but are not limited to: Sitting around playing video games for too many hours on end, injuring one's self during a "hold my beer" moment, or passing out in an awkward and/or uncomfortable place or position (like the back seat of a Volkswagen).
"Bruh...my Brositis is really acting up today after jumping out of Chad's window and sleeping in the bushes last night."
by JimTheGrim September 01, 2018
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