Ma’anar ƙamus na “Afrilu Fool” suna ne da ke nufin mutumin da aka mai da shi wauta ko wawa a Ranar Wawa ta Afrilu, wadda ake yi a ranar farko ga Afrilu kowace shekara. A madadin haka, yana iya komawa ga wasa mai amfani ko yaudara da aka yi wa wani a wannan rana. Hakanan ana iya amfani da kalmar “Wawa Afrilu” a matsayin fi’ili don kwatanta aikin yaudara ko yi wa wani wasa a Ranar Wawa ta Afrilu.