mind your backs!

mind your back(s)

Make way or be careful because someone behind you is trying to move past you. Mind your backs, we're coming through with an extremely hot pot of water!
See also: mind
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

ˌmind your ˈbacks!

(informal) used to tell people to move out of your way, for example when you are carrying something: Mind your backs! I’m coming through!
See also: mind
Farlex Partner Idioms Dictionary © Farlex 2017
See also: