Zuckerberg UK /ˈzʌkəbɜːɡ/US /ˈzʌkɚˌbɝɡ/ verb1 •(informal) To behave like Mark Zuckerberg, especially to eject a co-investor by diluting their stock, similar to the alleged treatment of Eduardo Saverin.If there hadn't been 2,000 witnesses, I would have Zuckerberged the idea for myself. — 2012 formsZuckerberged · Zuckerberging · Zuckerbergs