1. superlative form of chonky; most noticeably round, plump, or chunky in appearance
Usage: informal; internet slang; often used affectionately to describe animals, especially cats

Examples

• That orange tabby is the chonkiest cat I've ever seen.
• Of all the puppies in the litter, the chonkiest one always gets the most attention.
• The chonkiest penguin waddled across the ice with confidence.
• She joked that her hamster was the chonkiest rodent in the pet store.
• The chonkiest seal pup rolled around playfully on the beach.