Steeping anything in liquid means that the flavor gets transferred from the solid to the liquid as the solid grows softer. Click this site http://www.nitrovapes.com/premium-e-liquid/ for more information on Vape Juice. In the case of e-liquid Vape Juice, this means that you can effectively pick and choose the flavor you want to taste. Many people who want to create a more enjoyable experience choose fruity flavors to steep or other common tastes such as peppermint or spearmint.