seal up
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seal up
To close something and bind the seals so it does not reopen. A noun or pronoun can be used between "seal" and "up." They're going to seal up the door leading into the cellar. Would you please seal this box up for me so I can get it in the mail?
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
seal something (up) (with something)
to fasten something closed with something. Please seal this box up with twine. Would you seal up this box with tape?
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
sealed (up)
mod. settled; secured; cinched. The matter was sealed by Monday morning.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.