It's also a way to agree with someone.
Person 2: Freals.
Person 1: I can't believe she'd do that! What a bitch.
Person 2: Freals! She's a big fat whore too!
1] In agreement to a statement
2] "Are you serious?"
Alex: Freal! She is fug!
2] John: Last night, I forgot to study, so I flunked that test!
Alex: Freal? That sucks!