the victim of a practical joke or trick on April Fools' Day.
a practical joke or trick played on that day.
Origin of April fool
First recorded in 1680–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Examples from the Web for april fool
You know, Mrs. Vanderhook expects me to look after the decorations of her April-Fool tea party.The Gay Gnani of Gingalee|Florence Huntley
Bertie walks slowly toward the door, but stops halfway there, and asks, "Is it April-fool's Day?"
British Dictionary definitions for april fool
an unsuspecting victim of a practical joke or trick traditionally performed on the first of April (April Fools' Day or All Fools' Day)
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