1
general::
Go carefully, don't hurry, as in That chest is heavy, so easy does it. [1920s] Also see GO EASY.
American Heritage Idioms
2
general::
Phrase(s): Easy does it.
1. Move slowly and carefully. • Bill (holding one end of a large crate): It’s really tight in this doorway. Bob (holding the other end): Easy does it. Take your time. • Nurse (holding Sue’s arm): Easy does it. These first few steps are the hardest. Sue: I didn’t know I was so weak. 2. Calm down.; Don’t lose your temper. • John: I’m so mad I could scream. Bob: Easy does it, John. No need to get so worked up. • Sue (frantic): Where is my camera? My passport is gone too! Fred: Easy does it, Sue. I think you have someone else’s purse.
McGrawhill's American Idioms And Phrasal Verbs