Something used to improve a person's mood or level of energy. After a long week, I needed a pick-me-up, so I stopped by the salon to get a pedicure.I was so drowsy on the way to work, so I stopped by the coffee shop for a little pick-me-up.
pick-me-up
n. any food or drink that boosts energy, such as a drink of liquor, candy, soda pop. I can’t finish the day without a little pick-me-up at lunch.