BESTEST BEST FRIEND 

A dude or chick that'll give you a dollar, sit with you on the bus, and one who you can fart in front of.

he gave me a dollar for nothing. He's my bestest best friend

BESTEST BEST FRIEND by SIR MUTT tmf October 20, 2008

bestest best friend ever 

ur bestest best friend ever in the entire world. No on can replace that person.

1.Ur best friend

2. Ur ride or die

Sierra is my best friend, my ride or die so therefore she is my bbfe.
She is my bbfe because she is my bestest best friend ever in the entire world.

bestest best friend ever by Redneckgurllll88 January 13, 2016

BESTEST-BESTFRIEND-IN-THE-WORLD

The way to describe a friend who means the world and more to you

She is my BESTEST-BESTFRIEND-IN-THE-WORLD and I would trade nothing for her.

BESTEST-BESTFRIEND-IN-THE-WORLD by YouWon'tIWillToo! July 19, 2010