from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Slang Extremely enthusiastic and dedicated.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Very enthusiastic or energetic.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. very enthusiastic and dedicated
Earlier Gung Ho, motto of certain U.S. Marine forces in Asia during World War II, from Chinese (Mandarin) gōnghé, to work together (short for gōngyèhézuòshè, Chinese Industrial Cooperative Society) : gōng, work + hé, together.(American Heritage® Dictionary of the English Language, Fourth Edition)
From a World War II catachresis of Mandarin gōnghé (工 gōng, work + 合 hé, together), itself an acronym for gōngyè hézuòshè (工業合作社, 工业合作社 Chinese Industrial Cooperative Society). (Wiktionary)