Derived from 'Index' and 'Ambidextrous', describing:
a) someone who is very smart or intelligent.
b) someone who comes up with an ingenious plan that requires several steps, hence an index;
c) someone who is very handy using indexes or on-screen menus.
a) 'You're very indextrous'.
b) 'Did you see the sales forecast for next quarter? It's totally indextrous'.
c) 'Wow, you programmed the PVR? You're so indextrous'.