A fork of Rural Dictionary
Comes from the movie "Inception" "5 Dreams Deep" Is a State of Being (Verb) To Be "5 Dreams Deep" means to be foolish or idiotic. You would usually call someone "5 Dreams Deep" when they are about to do/are in the process of doing/have done something so foolish or idiotic for the sake of comedy.
"Hey Bro, lets break into the school tonight and tag all the lockers!' Bro, are you 5 Dreams Deep?