The obvious allusion to the Piranha Plant immediately identifies these as being part of "geek" or gaming culture, particularly Super Mario enthusiasts.They are playful, eccentric accessories that highlight the wearer's interests and individuality; they are not intended to be solemn or sophisticated.
Mario Piranha
These earrings bring back fond memories for people who grew up playing Mario video games. They stand out and are likely to attract attention because to their vivid colors and unique shape. They would not normally be worn at formal events and are unquestionably more appropriate for informal settings.