What a folk意思

"What a folk" is not a common phrase in English, and it's not a standard way of expressing something. It's possible that you might be referring to "what a folk" as a typo or a misunderstanding of the phrase "what a joke."

"What a joke" is an expression used to express disbelief, frustration, or a sense of humor about a situation that is considered ridiculous or amusing. For example, if someone told you they had 10 legs, you might respond with "What a joke!" to express your disbelief.

If you have any other questions or need assistance with something else, feel free to ask!