A drink that looks like an astronomical work of art under a black light, from The Campus Companion:
WHAT YOU NEED
2 liters Gin or Vodka
9 Liters Tonic Water
3-4 Bottles Roses Mojito Passion, OR 3-4 Canisters of Pink-Lemonade Concentrate
Mix all ingredients together shortly before the party begins.
Add ice as late as possible before drinking.