CEO noun 5verb 1forms 4 noun5 •(Internet, humorous) A notional title for a leading partaker in, or advocate of something or someone.Hey. CEO. Of. Racism. Made. You. Some. Lunch. 👊🏾 .😡 — 2019 •a short written form of "chief executive officer", the person who leads a companyCEOs who once made 50 times the average worker’s salary made more than 500 times as much in 2001. — 2010 •(UK) Initialism of civil enforcement officer. •Acronym of current engine option. •(Philippines) Initialism of city engineering office. verb1 •(informal) To serve as the chief executive officer (CEO) of an organization or company. formsCEOed · CEOing · CEOs · ceos