Top Definition
a bag, satchel, handbag, pack, or sac being carried around by a male figure also known as a murse, man purse, or european handbag but less emasculating and much more hardcore.
Let me get my condoms, football uniform, cougar, and other masculine stuff out of my brosac.

I wish guys would stop staring at my brosac.

I will beat you with my diamond plated brosac.
by Chemski18 May 05, 2011

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