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dry guillotine

n. (context historical slang English) Forced deportation to a penal colony, especially as a punishment during the French Revolution.

Wikipedia
Dry Guillotine

Dry Guillotine is the English translation of the French phrase la guillotine sèche, which was prisoner slang for the Devil's Island penal colony at French Guiana. It is also the title of several articles by various authors and most notably, a very influential and successful book by former prisoner #46,635, René Belbenoît.