Zoinkers.com
Zoinkers.com does not need a fake linguistic pedigree to work. Its value is in sounding like a playful exclamation with cartoon energy, which makes it commercially useful for novelty, character, humor, and consumer-facing brands.
Zoinkers.com is a strong .com for novelty products, humor media, playful commerce, kid-friendly entertainment, mascot brands, consumer goods, or ventures that benefit from exaggerated character and instant recall. The name is silly on purpose, and that is exactly why it works.
Zoinkers is best understood as an exclamation-style playful construction rather than an established formal term. Its strength comes from surprise, motion, and cartoonish personality, which are commercially useful in fun-first categories.
Zoinkers.com works because it is instantly playful and hard to forget. It gives the right buyer a fun-first .com with cartoon energy and real consumer recall, without needing made-up etymology to justify it.