cart parting
to create a path between two inconsiderate shoppers in a grocery store aisle by emanating nonverbal cues of frustration or impatience. After the cart part, no words need be said as the offenders tend to realize their fault and are likely ashamed.
Ted: Wow, that old lady performed a cart part without having to come to a stop.
Frank: I'm sure she's had many years of practice to have such flawless execution with her cart parting.
Frank: I'm sure she's had many years of practice to have such flawless execution with her cart parting.