Correct spelling for the English word "OETDGUO" is [ˈə͡ʊtdɡjuːˌə͡ʊ], [ˈəʊtdɡjuːˌəʊ], [ˈəʊ_t_d_ɡ_j_uː_ˌəʊ] (IPA phonetic alphabet).
I apologize, but "OETDGUO" does not seem to be an existing word or acronym in the English language. It is possible that you have provided a typo or an unfamiliar abbreviation. Without more information or context, it is challenging to provide an accurate definition. If you can provide further details or clarify the term you are referring to, I would be more than happy to assist you.