A Starbucks Triangle (named loosely after the Bermuda Triangle) is any location where one can stand, throw a rock, and hit at least 3 different Starbucks locations.

The phenomena is related to the annoying over-saturation of Starbucks coffee houses in some major cities.
"We all met up by the cube sculpture at the Starbucks Triangle in Cooper Union Last night."
by UrbanVirus August 8, 2007
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