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An alteration of the common term bae. Your bestie bae is a friend you put before any of your other friends. You would wrestle a bear to save your bestie bae. A bear. If your bestie bae and two other friends were falling off a cliff and you could only save one, well... sorry zach and sam.
Wow Kenny and Jazmyn are so close! I can't think of any better friends. They're definitely bestie baes.
by Kenmeister April 03, 2015
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