buckle up

buckle up

verb

Definition of BUCKLE UP

intransitive verb

: to fasten one's seat belt

First Known Use of BUCKLE UP

1971

Rhymes with BUCKLE UP

belly-up, belly up, bottom-up, bundle up, buttercup, butter up, buttoned-up, cover-up, cozy up, double up, dummy up, fancy up, follow-up, gussy up, higher-up, lighten up, live it up, loosen up, loving cup, measure up, mix it up, open up, pick-me-up, pony up, power up, runner-up, seven-up, shoot-'em-up, stirrup cup, suck it up, suction cup, summing-up, up-and-up, wickiup, winding-up