fasten up


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Related to fasten up: fasten down

fasten up

To secure or close something, as by using buttons, zippers, etc. A noun or pronoun can be used between "fasten" and "up." It's freezing today, so be sure to fasten up your coat.
See also: fasten, up
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

fasten something up

to close something up, using buttons, a zipper, snaps, hooks, a clasp, or other things meant to hold something closed. Please fasten this up for me. I can't reach the zipper. Please fasten up my buttons in back.
See also: fasten, up
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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