buckle (redirected from buckled up)

buckle down

to do the work you need to do. Schools, parents, and students need to buckle down and find ways to reach the new standards.

See also: down

buckle up

to fasten a strap that holds you in your seat in a vehicle or aircraft. Four out of five children are not correctly buckled up. The pilot asked the passengers to buckle up because we were flying through a storm system.