rave up

/ˈreɪv ʌp/
noun
  1. A lively, noisy party or social gathering, especially one with music and dancing.
    • After the concert, everyone went to a rave-up at a friend's house.
    • They organized a rave-up in the backyard to celebrate the end of exams.
    • The old pub was famous for its weekend rave-ups.
What does "rave up" mean? | whatsthatwordmean | whatsthatwordmean