April 1rst. A day in which practical jokes are played. The second worst birthday surpassed only by febuary 29th
by Pepsi X-treme July 04, 2005

by Diggity Monkeez April 01, 2005

nickname for the first day of april. the one day out of the year that practical jokes are acceptable and encouraged.
"man, that was funny when you woke your dad up at 3 in the morning on april fools day and told him the house was on fire."
by Ben April 03, 2005

by jaycubed31 April 01, 2009

by Basil March 31, 2005

by Urban_Dictionary_Daily247 April 01, 2015

by gauxapen April 01, 2021
