A contraction of 'bro-ing' and 'rowing', this refers to the act of bonding among male teammates through association with, or mutual participation in the sport of rowing. Depending on the context, it can also refer to any male-oriented social activities in which these teammates collectively engage. (see also bro-ing).
Dude, I'm feelin like a big browing session tonight!
Why do you get up so early in the morning? Because I love going browing on the river with the guys!