1 general:: Actually so, genuine, as in Are your plans to move away for real? [Slang; mid-1900s]
American Heritage Idioms
2 general:: Phrase(s): for real Inf. genuine; not imaginary. • Ken is really strange. Is he for real? • This whole day has been weird, it just isn’t for real.
McGrawhill's American Idioms And Phrasal Verbs