to look over one's shoulder

[Romel Panzer]

In the idiom " to look over one's shoulder" , the shoulder referred to is one's own shoulder and the meaning reflects suspicion, I feel. Am I correct? Or if there is any other meaning of this idiom.

[albertino]

In the idiom " to look over one's shoulder" , the shoulder referred to is one's own shoulder and the meaning reflects suspicion, I feel. Am I correct? Or if there is any other meaning of this idiom.

Longman Dict has this:

be looking over your shoulder
to feel worried that something unpleasant is going to happen to you