Birch

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........

TikTok

this weird ass app that lets 11 year olds lip sink to songs

Billy: I just downloaded tiktok!
Bobby: your not my friend anymore