Secret handshakes are the best part of childhood. If you had a best friend or even a sibling, odds are you had a secret handshake. It wasn't very secret at all; we were doing them in front of everyone ...

Super besties have their own codes, languages, and even expressions that signal whatever it is they desperately want to say, but can't. Some pairs go beyond that and have a secret handshake, which ...

Only Slate Plus members can gift Slate stories. Become a member to share 10 free articles a month. This is One Thing, a column with tips on how to live. When she was 10, my daughter informed me that ...

How could you not love a secret handshake, especially one you know is going to be broadcast on the air and shared by millions of people? That's right, Swift and Mahomes now have a choreographed ...