It's an age-old question that many have attempted to answer, but due to A) sheer boredom, B) having a day job or C) lack of interest, not many have actually completed the task to find out.

Enter: @RiffRaff41 on Twitter. He decided to put it to the test, and licked only one side of the sucker. The result: 850 licks. No more, no less.

Twitter

Of course, just for funzies, here's the classic commercial that we all know and love...