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Meaning of rum-dum

rum-dum

Pronunciation: (rum'dum"), [key]
— Slang. Slang.
—n.
  1. a stupid or ignorant person.
  2. drunkard; lush.
—adj.
  1. stupid; ignorant.
  2. of, pertaining to, characteristic of, or arising from habitual drunkenness; addled by drink.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.