chop-chop (ch?p?ch?p?) adv. Informal Right away; quickly. [Reduplication of Chinese Pidgin English chop, quick, of Chinese dialectal origin; akin to Cantonese gap1 and Mandarin jí, hurried, both from Middle Chinese kip, hurried, urgent, from Old Chinese k?p.] American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.chop-chop (?t??p?t??p) adv. with haste; quickly. [1825?35; repetitive compound based on Chinese Pidgin English chop quick] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.