3. with or as with such a sound
⇒ I tripped and fell kerplunk
verb intransitive, verb transitive
4. to fall or drop with a thud or heavily
Webster’s New World College Dictionary, Fourth Edition, compiled by the
editors of Webster’s New World Dictionaries. Copyright © 2010 by Houghton
Mifflin Harcourt. Published by Houghton Mifflin Harcourt. All rights reserved.