brotch Share definition Flag The male equivalent of bitch. A combination of bro and bitch. Can be either derogatory or a term of endearment depending on context. 1) What the fuck's up now BROTCH?2) Hey brotch toss me a beer. brotch by durtysoufcraka January 17, 2010 0 0 Get merch Get the brotch mug. Buy Now — $32.95 See more merch