1/2 oz of white Tequila (or Tequila)
1/2 oz of 151 proof rum (or overproof rum)
1/2 oz of grenadine syrup
1/2 oz of green creme de menthe (or Mint liqueur)
Layer into a 2 oz. shooter: grenadine, then creme de menthe, tequila, then 151 on top. Light on fire, then blow out and slam.