tech bro UK /ˈtɛkbɹəw/US /ˈtɛk.bɹoʊ̯/ noun1 •(informal, disapproving) A hypermasculine man employed in the tech industry and stereotypically located in Silicon Valley.“U.S.S. Callister” inverts this idea by having its tech-bro channel his resentment into fashioning his own personal matrix. — 2017 formstech bros · tech-bros