Pick-me-up

[Sarah]

A stimulant, restorative, or tonic; a bracer. [Colloq.]

[Sarah]

something to brighten your day or give you an energy boost, especially useful when you can't spare time for a lunch break during a long day of work.

also, chemical mood enhancers such as alcoholic beverages.

[ScottLer]

a tonic or restorative (especially a drink of liquor)

[Luis Fok]

anything with restorative powers

[ArthuraCig]

a drink, especially an alcoholic one, taken as a stimulant or sometimes as a hangover cure; a restorative, tonic or bracer

[Hina Muqadas]

A pick-me-up is something that serves to rejuvenate, energize, or improve ones mood, typically during a time of fatigue or low spirits. This can be a food, drink (like coffee), activity, or even a conversation that induces a sense of well-being or refreshment.