Correct spelling for the English word "Sexly" is [sˈɛksli], [sˈɛksli], [s_ˈɛ_k_s_l_i] (IPA phonetic alphabet).
Sexly is not a recognized word in the English language. Therefore, there is no established definition for this term in any credible dictionary. It is possible that you might have unintentionally misspelled the word or it could be a neologism or slang term that has not yet gained widespread usage.
If you meant to refer to the word "sexily," which is derived from the adjective "sexy," it can be defined as an adverb that describes something or someone in a manner that is suggestive of or associated with sexual attractiveness or appeal. When used in this context, "sexily" typically emphasizes the physical or sensual qualities of an individual or the manner in which they conduct themselves, often with the intention of arousing desire or interest in a sexual manner.
It is essential to consider that linguistic variations and colloquial expressions can exist, especially in slang or informal language, so interpretations may slightly vary. However, without further context or clarification, it is challenging to provide a more comprehensive analysis of the term you have mentioned.