'hipflask' definitions:

Definition of 'hipflask'

From: WordNet
noun
A flask that holds spirits [syn: hipflask, pocket flask]

Definition of 'hipflask'

From: GCIDE
  • hipflask \hip"flask`\ n. A small portable flask, usually made of metal, used to hold liquor.
  • Syn: pocket flask. [WordNet 1.5]