noun
a fastener consisting of two strips of interlocking teeth that are closed or opened by pulling a slide along them
verb
to fasten or close with a zipper
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Please remember to zip up your jacket before going outside.
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Hey, don't forget to zip up your hoodie before you leave.
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Make sure to zip up your coat, it's freezing outside.
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It's time to zip up your emotions and focus on the task at hand.