2 definitions by That Bish

Birch is the nice way of calling your friend a bitch.
You: sup bro
your friend: sup birch

Or...
Your Friend: Ohmygosh did you hear about Britney?
You: spill the tea
Your friend: She is such a birch........
by That Bish November 28, 2019
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this weird ass app that lets 11 year olds lip sink to songs
by That Bish November 28, 2019
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