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The catwalks at the top of a theatre, except they're more thrilling. Objects are typically thrown off an alcatroft, such as miniature parachutes or candies, and land into the audience to create a more engaging experience.
Person A: "Where did that come from?"

Person B: "oh dear lord they're throwing food from the alcatrofts again, should've worn a hat"
by basic druggie December 17, 2014
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