buckle up

verb — 3 senses

buckle up

verb
1

To fasten with a buckle.

  • It was eight o'clock to-morrow evening when I buckled up my travelling writing-desk in its leather case, paid my Bill, and got on my warm coats and wrappers.1855, Charles Dickens, “The Holly-tree. Third Branch—The Bill”, in Christmas Stories […] (The Works of Charles Dickens; XV), de luxe edition, London: Chapman and Hall, published 1881, →OCLC, page 63:
2

Idiomatic To fasten one's seat belt or safety belt.

  • Buckle up every time you drive somewhere in a car, and make sure your passengers buckle up, too.
3

Broadly, Idiomatic, Imperative, Usually To get ready, to prepare oneself.

  • So buckle up for what's coming, readers!2019 February 27, Robert Kirkman, Outcast By Kirkman & Azaceta #39, Image Comics:
Related terms
buckle down

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.