Sherbet, also called Sherbert or Soda powder, is a fizzy, sweet powdered sugar, usually eaten by dipping a lollipop or liquorice stick, using a small spoon, or licking it from a finger.
Jars of colourful sherbet powder in a sweet shop
German Brausepulver is similar, and while originally sold as such is often not mixed with water nowadays but eaten by children by dipping a wet finger into it, or by adults in combination with vodka.
Pixy Stix are a sweet and sour colored powdered candy usually packaged in a wrapper that resembles a drinking straw.
Sherbet (powder)
…became ubiquitous. Sherbet is now used to mean this powder sold as a sweet. (In the United States, it would be somewhat comparable to the powder in Pixy Stix or Fun Dip, though having the fizzy quality of effervescing candy, such as Pop Rocks.) Sherbet in the United Kingdom and other Commonwealth countries…