2 oz of Ketel One Vodka (or Vodka)
2 oz of Tanqueray gin (or Gin)
2 dash of grenadine syrup
4 oz of Schweppes Tonic Water (or tonic water)
4 oz of mountain dew code red soda (or Tahitian Treat Soda)
Shake everything (except grenadine) with ice. Pour slowly into glasses and add grenadine.