zip up


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zip something up

 
1. to close a zipper. You should zip that zipper up. You should zip up that zipper.
2. to close a garment by zipping a zipper closed. You had better zip your jacket up. You had better zip up your jacket.
3. Sl. to close one's mouth. (Fig. on {2}.) Zip your mouth up, Fred! Zip up your mouth, Fred.
See also: up, zip