Meaning of warmer-upper

warm•er-up•per

Pronunciation: (wôr'mur-up'ur), [key]
— n. Informal.
  1. something that provides one with invigorating warmth: Hot soup is a good warmer-upper after skiing.
  2. something that serves to warm up an audience or group of participants before a main event: Radio stations played martial music as a warmer-upper before the prime minister's speech.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.