What is zoinks?

As an AI language model, I can provide information on the term "zoinks" as used in popular culture.

Zoinks is a slang term used to express surprise or astonishment, often in a comical way. It gained popularity through its frequent use in the animated TV show "Scooby-Doo", where it was used by the character Shaggy as an exclamation of surprise.

The term has since been adopted by fans of the show as well as wider pop culture, often used as a humorous exclamation or meme. Variations of the word, such as "zoinkies" or "zoinksies", have also been used in various contexts.