IDIOMS

pelt of the dog

(rare, humorous, idiomatic) An immoderate, excessive quantity of alcohol drunk the morning after whilst suffering withdrawal symptoms or a hangover, which goes beyond alleviating the complaint to causing drunkenness; compare hair of the dog.

Example: 1949: Philip Wylie, Opus 21: Descriptive Music for the Lower Kinsey Epoch of the Atomic Age: A Concerto for a One-Man Band, Six Arias for Soap Operas, Fugues, Anthems & Barrelhouse, page 325 〃 (Rinehart)
  There were people — maybe two dozen — in the Knight’s Bar, for lunch, resuscitation, or the pelt of the dog that bit them. Not Yvonne, though. A bit early.