dipsomania

noun3

1. •
   Addiction to alcohol.
2. •
   Specifically periodic alcoholism, characterized by bouts of heavy drinking rather than continuous indulgence in alcohol.
3. •
   A strong craving for something.

   • A most ingenuous youth was Master Snape, round-eyed, round-cheeked, with an ever ready smooth and round unvarnished tale—a youth afflicted with a dipsomania for information. — 1883