This phrase originates from a bar in Lincoln, Nebraska called "Harry's Wonder Bar" which is affectionatley known as "Harry's." Harry's makes the strongest mixed drinks known to man, and as a result crazy escapades often ensue. Every now and then, something totally awesome happens that you would never see anywhere else. Something so awesome that you have to say, "That, my friends, is a Harry's miracle."
I can't believe I met that hot girl at Harry's and she's coming home with me, it's a Harry's Miracle.
by Los Springsteen April 10, 2005