Oh no no, it's nothing like that. A choco-taco is a treat in the frozen bin at the convenience store, with the other ice cream bars. It's a waffle cone in a taco shell shape, with fudge ripple ice cream inside and a chocolate shell over the top of the taco. It's not an incredible, life changing experience, but it's a nice treat to stop for on the way home from work.
It's better than a klondike bar.