a person that’s your best friend but you also like them
me and james are bestie boo’s
by mysteriouslyhere March 25, 2019
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what cringe people call their friends
Furry kid: hey bestie boo! Sit with me at lunch

Robert :* ew no* sure
by Jaehyuns Left Tit April 5, 2022
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When you are best friends with one person to such an extreme that you feel like you are cheating on them if you hang out with anyone else. That friend is your other half and you love them so much that you cant think of anyone else who might make your day better. You are loyal to them without a fault and would marry them if you had the chance, but only as a permanent friendship and nothing romantic. You two complete eachother.
You will always be my bestie boo.
by sillypinkpanda May 27, 2016
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a goofy way to say best friend or ur crackhead bestie friend.
u see that girl over there that’s ma bestie boo
by bestieboobækk January 10, 2020
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