Definition of "caffeinism" []

• A toxic condition marked by diarrhea, elevated blood pressure, rapid breathing, heart palpitations, and insomnia, caused by excessive ingestion of coffee and other caffeine-containing substances. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "I discover later that I am suffering from the effects of "caffeinism" - a withdrawal from caffeine."
• "But overuse can develop into "caffeinism," which may cause muscle twitching, insomnia, headaches and heart palpitations."
• "Looks like cold turkey is the best way to beat caffeinism. paqman"