This is the good shit. Woo mama! Share definition Flag Exclamation of joy regarding high quality herbs. Etymology: 'Spaced' Series 2. "This is the good shit. Woo mama!" This is the good shit. Woo mama! by alexandlewis December 1, 2004 0 0 Get merch Get the This is the good shit. Woo mama! mug. Buy Now — $32.95 See more merch