1. A selection or decision purely at random
   "their system of hiring people seemed to be a sort of lucky dip"
    
2. A game in which prizes (e.g., candies or coins) are concealed in a container and for a small sum a player can draw one out at random
   "The children eagerly lined up for the lucky dip at the school fair"

Derived forms: lucky dips

Type of: drawing, lottery, random sampling