Meaning of rip-roaring

rip-roar•ing

Pronunciation: (rip'rôr"ing, -rōr"-), [key]
— adj. Informal.
  1. boisterously wild and exciting; riotous: Have a rip-roaring good time.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.