An emotional way to agree with something.
Lila: She's a bitch!
Daisy: Forreals, girl!
the conjunction of the words for and real, so that you're saying one word instead of "for real." usually used as a form of agreement or a form of exclaimed dismay.
jim: yo lets yost at stanley's place later
mike: forreals man... i've been wanting to get some yostin done
kelly: i'm pregnant.
ryan FORREALS?! HOW DID THIS HAPPEN... SMH...