get behind
verb1
Informal To come to believe or support something.
- I can't get behind the idea that all homeless people are just too lazy to work.
2
Informal To support, to cheer on.
3
Informal To appreciate, to enjoy.
- I could definitely get behind a fun restaurant in this town.
4
Informal To have a trip or any pleasurable experience with drugs.
5
Slang To nag or pressure (somebody).
African-American Vernacular
6
Used other than figuratively or idiomatically: see get, behind.