"jello shooter" means: An alcoholic snack served at parties, nightclubs or bars, made from Jell-O but substituting vodka or rum for all or part of the water. Norma.... This is a fairly neutral word with no inherent risk attached. There is no real cause for parental concern; it is descriptive vocabulary rather than something dangerous. If your child uses it, context will usually make the meaning clear. A brief, curious question about where they heard it is generally enough to know whether to follow up.