streak of pish Share definition Flag Scottish slang word for someone you dont like. Could be the boss, now that's someone that you really detest. Get tae fuck ye yella streak o pish u. Go feed the fish to the walrus u nasty streak of pish. streak of pish by soulsinner February 23, 2008 0 0 Get merch Get the streak of pish mug. Buy Now — $32.95 See more merch