Meaning of prexy in English:

prexy

(also prex)

Pronunciation /ˈprɛksi/

nounprexies

informal US
  • A president, especially the president of a college or society.

    • ‘Except Carlow College's prexy Sister Grace Ann Geibel put this one together on Monday at Palumbo Hall on campus… and just try saying no to her.’
    • ‘But just try saying no to their daughter, Katherine Freyvogel, prexy of OCHS and the project's divining light.’
    head, chief, director, leader, governor, principal, master, chancellor, vice chancellor, dean, rector, warden, provost, captain, figurehead

Origin

Early 19th century (as prex): college slang.