What is Boyhood?

An activity that you have done since childhood.

Dude you still watch the 90's power rangers? That's some boyhood shit right there.

Boyhood - meme gif

when meeting someone for the first time and having a feeling there is at least a 4/5 chance you will start dating.

There was a boyhood moment at the end of This Is Us season 2.

1. The condition of being a boy.
2. The penis of a young male.