As we all know, "mommy" is a childish, short version of the English word "mother." "Mami" is Spanish slang for "mother," but it's often used in reference to a sexy woman.
A male sweetheart or friend, often a man considerably older than his female companion; a sugar daddy. [ Slang; mid-1900s] The largest or most important person or thing of its kind. For example, The United States has long been the big daddy of the Western Hemisphere, or The blue whale was the big daddy of the ocean. [