Making Steak Share definition Flag Euphemism for moving one's bowels. Made popular after the Japanese perfected the transformation of feces into "steak." 'Scuse me, I gotta go make some steak.Where's Bob? He's upstairs, making steak. Making Steak by werdnerd1 June 18, 2011 0 0 Get merch Get the Making Steak mug. Buy Now — $32.95 See more merch