Originally Posted by Calico Jack

Hahaha I hate that too. In fact I have run into people because of this very reason. Just last week a woman in a mall did it to me, so I ground to a halt and being 6'3" I leant over her shoulder and said: 'Next time that you do that I'll walk right over you.'
She was lost for words and was babbling trying to come up with a reply as I walked off.