Jack Smack by Ustad Seeds is an astonishingly sativa. Known for its mind-warping rush of euphoria and heart-racing stimulation, Jack Smack is Rocket Fuel. Mind your dosage because this strain can overstimulate the most experienced consumer. Jack Smack is a cross of Jack Herer and Herijuana and exhibits a strong gas odor native to both parent strains. Enjoy this strain to combat depression and lethargy.