- Drat is defined as a way to express being upset or irritated.
An example of drat is what you'd say after finding out you have to go into work on your day off because someone called in sick.
drat definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
darn: a mild oath
Origin: aphetic ; from 'od rot ; from God rot
drat definition by American Heritage Dictionary
Used to express annoyance.
Origin: Short for God rot.