This page is about the phrasal verb buckle up
to fasten a seatbelt in a car or on a plane
- buckle up When you're in a plane, don't forget to buckle up whenever the seatbelt sign lights up.
- buckle up My new car won't start until everyone has buckled up.
I was in a car accident yesterday, and if I hadn't buckled up I could have
Contributor: Matt Errey