Reverse Dictionary: TRANSACTION

NOUNS
► PIG IN A BAG ► PIG IN THE BAG something one cannot see or evaluate before deciding to accept or purchase it; a blind exchange → 1942 Amer. sl.
► PIG IN A BLANKET something one cannot see or evaluate before deciding to accept or purchase it; a blind exchange → 1967 Amer. sl.  
► PIG IN A POKE something one cannot see or evaluate before deciding to accept or purchase it; a blind exchange → 1788 Amer. sl.  
► PIG IN A SACK something one cannot see or evaluate before deciding to accept or purchase it; a blind exchange → 1965 Amer. sl;