'Bucket shop' definitions:

Definition of 'bucket shop'

From: WordNet
noun
An unethical or overly aggressive brokerage firm
noun
(formerly) a cheap saloon selling liquor by the bucket

Definition of 'Bucket shop'

From: GCIDE
  • Bucket shop \Buck"et shop`\ An office or a place where facilities are given for betting small sums on current prices of stocks, petroleum, etc. [Slang, U.S.] [1913 Webster] bucketful

Synonyms of 'bucket shop'

From: Moby Thesaurus