money pit

Hierarchy: 
Description: 
{{sometimes|capitalized}} Long-standing nickname of a complicated, seemingly man-made excavation on Oak Island in Nova Scotia, Canada, rumored to contain pirate treasure and which has been repeatedly and unsuccessfully probed at great expense.
Ngram: 
Ngram Text: 
money pit
Source: 
Wiktionary
Issue: 
0
Wiktionary tag: 
Ngram Count: 
2