adjective describing a very successful endeavor with your best bro's.

It's the sweat that accumilates under big boobs

Bro-duc-tive: adj.
Producing or able to produce large amounts of goods, crops, or other commodities with your bros.

Used as an adjective to describe an act of being abnormally active and useful with your bro. I.e, not spending your day being inebriated by noon.

Also to be used as a noun, Broductivity used to decribe the act of accomplishing useful deeds (working on trucks, yard work, chores, etc.) without the excesive consumption of alcohol or drugs aiding in the halt of being productive with a bro.

a bro being productive