Well, apparently, the custom of raising a glass to one another before drinking originated with the Romans and the Greeks (surprise, surprise), who used to offer wine to their gods before celebrations.

The wine tonight is a unique Château Spadina 2012, and if that doesn't poison you, nothing will. THE QUESTION Why, asks Ron Baylis of Cobourg, Ont., do we clink glasses before having a drink?

And there's a third theory. Though Dickson's research can't confirm or deny this one, many believe the clinking of glasses began as a way for nobles to avoid being poisoned.