In British English slang, Hooray Henry or Hoorah Henry (plural: Hoorah/Hooray Henrys/Henries) is a pejorative term, comparable to "toff", for an upper-middle class or upper class British male who exudes loud-mouthed arrogance and an air of superiority, often flaunting his public school upbringing.
ɪn bɹˈɪɾɪʃ ˈɪŋɡlɪʃ slˈæŋ, hˈoːɹeɪ hˈɛnɹi ɔːɹ hˈoːɹə hˈɛnɹi plˈʊɹɹəl: hˈoːɹə slˈæʃ hˈoːɹeɪ hˈɛnɹiz slˈæʃ hˈɛnɹiz ɪz ɐ pədʒˈɔːɹətˌɪv tˈɜːm, kˈɑːmpɚɹəbəl tuː "tˈɑːf", fɚɹən ˌʌpɚmˈɪdəl klˈæs ɔːɹ ˌʌpɚ klˈæs bɹˈɪɾɪʃ mˈeɪl hˌuː ɛɡzjˈuːdz lˈaʊdmˈaʊðd ˈæɹəɡəns ænd ɐn ˈɛɹ ʌv suːpˌiəɹɪˈɔːɹᵻɾi, ˈɔfən flˈɔːntɪŋ hɪz pˈʌblɪk skˈuːl ʌpbɹɪŋɪŋ.