Double-dipping has long been a party foul. The act of scooping a chip in some salsa or a carrot stick in some hummus, taking a bite, then putting it back for home. The lore behind the act is that it ...

Add Yahoo as a preferred source to see more of our stories on Google. Like George Costanza on “Seinfield,” many of us have done it - dip a chip into a communal bowl of salsa or stick a veggie into the ...