Question

give one example of annoying manner lacking in etiquette​

Answer 1

Answer:

Here are some of the most common bad manners you're likely to see when you are out and about:

Flat-Out Rudeness.

Cell Phone Conversations in Public.

Excessive Virtual Socializing.

Crowding the Person in Front of You at the Checkout.

Dressing Inappropriately.

Being Unkind to Disabled People.