drinking money; money for alcohol
Money set aside or given specifically for buying drinks, often in a social or celebratory context.
Let's collect drinking money for the year-end party.
A small amount of money given as a tip or token of appreciation, often in service contexts.
I gave the delivery person a tip.
Compound of 酒 (sake, 'alcohol') and 手 (te, 'hand' or 'means'), originally referring to money for drinks, later extended to tips.