smashiversary Share definition Flag This word marks a year(s) after you and your significant other, or maybe even someone random, have smashed. Wow, I didn’t even realize it but it’s me and Anthony’s smashiversary. smashiversary by tellmewhereimwrong June 8, 2020 0 0 Get merch Get the smashiversary mug. Buy Now — $32.95 See more merch