brown bruiser Share definition Flag Defecating in a sock and proceeding to beat someone mercilessly with it Will was pissing me off, so I gave him a brown bruiser. He'll be showering and licking his wounds for days. brown bruiser by charliechaplin33 September 23, 2009 0 0 Get merch Get the brown bruiser mug. Buy Now — $32.95 See more merch