What is Woo as in flirt?

Could you please clarify what you mean by "Woo as in flirt"? Are you referring to a specific term or phrase related to flirting that involves the word "Woo"? If so, it's worth noting that "Woo" is not a commonly used term in the context of flirting in standard English. However, in some colloquial or regional dialects, "Woo" might be used as a way to express admiration or attraction towards someone, which could potentially be interpreted as flirtatious. Alternatively, "Woo" could be part of a larger phrase or idiom that is used in flirting. Could you provide more context or an example of how "Woo" is being used in the context you're referring to?