buckle down

Meaning

1. buckle down (to sth)

   to start to do sth seriously

   I'd better buckle down to those reports.

In the movies · 3

• that you roll up your sleeves, that you buckle down and you get to work.The Internship2013
• One alone To be my own Buckle down, Winsocki, buckle down Go and catch a falling starThe Last Unicorn1982
• - Dad? - Buckle down and grit your teeth.Herbie: Fully Loaded2005

From the same entry

• buckle up