Fam is a short for the word "Family". It's used when you trust someone like they are a part of your Family.
Fam also can stand for "Friends Always Matter" but not used as often
"Hey Dude. Can you get me McDonald's ?"
- "Sure Fam"
Fam is used to describe a group of people who are not nessacarily blood related but close enough to the original family
I was walking down the street today and saw fam by the library.
abbreviation for family.
also can be used when trying to be cool.
famm, can i help you with that?