a quantity of illegal drugs wrapped in aluminium foil AUSTRALIA, 1994.
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heroin UK, 2003.►put on the foilin ice hockey, to apply tinfoil layers (illegally) under the gloves to increase the impact of punches in fights CANADA, 1977
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silver foil
Thin sheets of aluminum that are typically used to cover food and keep it fresh. Primarily heard in UK. Wrap those leftovers in silver foil so you can have them for lunch tomorrow.