(transitive) To prank on April Fool's Day.
1.the victim of a practical joke or trick on April Fools' Day.
2.a practical joke or trick played on that day.
1. 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 © HarperCollinsPublishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Cite This Source
1680s; April-gowk (from Old Norse gaukr "a cuckoo") is a northern variant. April Fool's Day customs of sending people on false errands seem to have come to England from France late 17c.; originally All Fool's Day (1712). In Cumberland, Westmorland and northern parts of Lancashire and Yorkshire, however, May 1 was the day for hoaxing, and the fool was a May gosling. That custom was first attested 179
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