Lewis & Short

per-bacchor, ātus, 1,

  1. I. v. dep. a:, to carouse or revel through: multos dies, Cic. Phil. 2, 41, 104: annum suum in re publicā, Ps. -Cic. Decl. in Sall. 3, 10.
  2. II. Transf., of fire: perbacchata domos incendia, Claud. B. G. 242.