It's just like fo' real, but it sounds funnier and sometimes doesn't make sense to people the first time they hear it. Sure to make people laugh.
Bob: Did you know Britney Spears got fat?
Janet: For serious? She used to have such great abs.
Bob: For serious.
Janet: For serious? She used to have such great abs.
Bob: For serious.
by Joseph Eckersen September 22, 2007