1. [late 19C] grog or any warm, alcoholic drink.
2. [20C+] (also sherb) any form of alcoholic drink; usu. beer; also as old sherbert.
3. [1950s+] beer; also as old sherbert.
4. [2000s] cocaine [resemblance to a popular UK sweet, a sherbet dab, a bag of sherbet powder with a liquorice ‘straw’ through which it is sucked up].
a container for alcohol.