dubokEtymologyBorrowed from Russian дубо́к (dubók), from дуб (dub, “oak tree”).dubok means A dead drop. Lexicurio rates it Sui generis — a strength score of 90 out of 100.nounA dead drop.“And then there are the duboks. Every Red Army intelligence agent abroad is assigned the task of finding duboks in the city where he is stationed. A dubok is a hiding place for anything that may be exchanged in espionage work […]”