Pick-me-up and Upper

Pick-me-up noun - A tonic or restorative (especially a drink of liquor).

Upper and pick-me-up are semantically related. in stimulant topic. In some cases you can use "Upper" instead a noun phrase "Pick-me-up", when it comes to topics like pep pill. informal substitute

Upper noun - The higher of two berths.

Pick-me-up and upper are semantically related. You can use "Pick-me-up" instead a noun "Upper".