I don't HO, unless of course you are in a high parked aircraft (Tempest, 262, B29) then I am doing whatever it takes. Why? Because people do it to me whenever I am in them.
Now the people that really urke are the ones who yell "It was a front quarter blah blah shot"
In other words, it was me avoiding the HO a little too late and you holding the trigger because you were going to HO whether I moved or not. Don't make an excuse for you HO'ing, if you were going to HO just say that don't try to come up with some lame Trigonometry/Geometry term to explain your suckage.
The HO shot is a 50/50 gamble, and I just so happened to have terrible luck.