To hang hard, preferably with several to many bros, engaging in activities such as beer pong, delving into the seminal works of David Hume, drum circles, rap battles, disk golf, and imbibing ganja through various techniques, only to name a few.
To relax, to sustain, or to compensate for lack of, intensely pleasurable activities, activities typically involving the bros, but not necessarily. Can include anything from physically strenuous, to emotionally compromising pastimes.