a point in time, event, or experience when one has a sudden insight or realization: My aha moment was when I put on my shorts from last summer and they didn’t fit.
D’oh! Words We BlurtWhat's your first verbal instinct in these moments of surprise? Is it to blurt out some onomatopoetic non-word? Which is your favorite?
Origin of aha moment
from the expression aha, used to signal sudden awareness or comprehension
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for aha moment
an instant at which the solution to a problem becomes clear
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012