Definition: "Overobsequiously" is a phrase that means to be overly or excessively extravagant in appearance, behavior, or mannerisms. It is often used to describe someone who behaves excessively or extravagantly, as if they are proud of their appearance and should not be embarrassed by it. This term can also refer to a person who is overconfident or arrogant, and may lead them to behave inappropriately or disrespectfully towards others.