A vacation amongst male comrades, or 'bros' as they are known. Generally a road trip to a desirable spot which allows for good bonding and all sorts of unchecked shenanigans.
Female variation is known as the Hocation.
You: Yo man if you release them crickets in the hallway, you ain't graduating.
Me: Forget graduation bro. Only thing that matters now is Brocation.
When you take a vacation from work and don't tell your bro's or buddies and you don't actually leave town. You just bang women off internet dating sites the whole time.
Man.. I haven't seen B.j. all week.. I think he took a breycation.