ferrell brewcat Share definition Flag Any beer found at a party, bar, event, on the street etc. that has been partially consumed and appears to have no owner. I'm not sure if this ferrell brewcat is safe, but i'm going to drink it anyway. ferrell brewcat by Brock P. January 24, 2008 0 0 Get merch Get the ferrell brewcat mug. Buy Now — $32.95 See more merch