april fools day Share definition Flag The one day of the year where nobody, no matter how hard they try, can possibly be funny. Hey man, you want some peanuts? (Snake flies out of can) April fools! april fools day by Basil March 31, 2005 Words you can keep railfan mug chonk mug chud mug based mug 67 mug slime mug mogging mug chopped mug thot mug glazing mug huzz mug yams mug larp mug unc mug cracked mug simp mug baddie mug bop mug lolcow mug