I was once doing a ambitious card routine for several people that were actually interested in being entertained. There was this one fella who wasn't even apart of the group I was doing this for, he was just standing off to the side peering over at me.
And if you do magic long enough you can just tell who is going to be a problem, so I knew it was going to get interesting.
I did the routine and everyone liked it alot and everyone wanted to know how I did it and etc. Then the guy standing off to the side said "I know how he did that, I read how to do it on the Internet. It's way easy to do.
And I said "Oh yeah?, way easy eh?" (hands him the deck of cards) there you are fella, have it. (smiling the whole time I'm saying this.) Show us exactly how easy it is."
Of course, he can't do the effect but mumbles something about a DL and when I heard him say it that is when I knew I could really make him look like an [edited] infront of everyone because I never use a DL for that routine.
So I did the routine again just for him and again he mentioned a DL...I then causally flipped his freely selected card face up on the bottom half of the deck while holding the top half in my hand, flipped it face down with the top half, (my fingers never touching it) and then immediately letting it slide off onto the counter where I asked him to place his hand on top of the card.
I then asked him was there anyway I could have done a DL without my fingers touching the card? And he said "No
that would be impossible."
Then I said "Well, would it be possible for that card under your hand to be any other card but the one you chose?" Again, he said "No".
I asked him to take his hand off the card and to turn it over and sure enough it was a completely different card than the one he picked and then I asked one of the other people there to take the top card of the deck and turn it over and THERE was the hecklers chosen card.
As everyone was still in shock and trying to figure out what just happened, I took a small bow and said thank you and went on my way.
The best way to handle someone trying to make you look like an [edited], is to make them look like a [edited]. A Dumbass.
: If that doesn't work, then tell them prior to the performance you lifted their wallet and copied down there home address off their drivers license and you will come to their home and beat them to death with their own shoes.
Okay, I'm kidding...don't do that!