Top Definition
Where two parties to a criminal act keep evidence against the other ensuring both mouths stay shut. Because of their actions they are joined like Siamese twins.
For instance, a politician who takes a bribe keeps evidence, Siamese insurance, against the person who bribed him.
#synonyms: criminal enterprise #co-conspirator #accomplice #accessory. antonyms: adversary #opponent #competitor. saimese #isnurance
by SteveDScot October 09, 2013
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