Arsnecal Share definition Flag To have a fun time or a fun person. This word was created by Anna , Yoshimi and Jacob. It’s a great word and pronounced arse-in-cal I’m having such an arsnecal time today in science! Arsnecal by HADBDHAHHA November 5, 2020 0 0 Get merch Get the Arsnecal mug. Buy Now — $32.95 See more merch