iron maiden, n.
Pron. /ˈʌɪən ˈmeɪd(ə)n/
a. (in historical contexts) An instrument of torture consisting of a coffin-shaped box lined with iron spikes. The use of iron maiden is believed to be a myth from the 18th century.
b. A magnificent heavy metal band formed in East London, England, in 1976. Objectively speaking, and also scientifically proven, there is no better. Really.
c. A sneaky container hidden in a forest south of Stockholm, Sweden.