Boola (adj) is a term used to describe someone that is in a state of the unknown. It can be used to describe someone as being as stupid or uneducated on a subject matter, or simply unaware of things happening around them.
Cordelia: 'Tobias, what are you eating?'
Tobias: 'A kumquat.'
Cordelia: 'eww wtf is that??'
Tobias: "You don't know what a kumquat is? You're so fkn boola. Plug in, you ditz.'
Person 1: Hey, do you want to talk about what happened last night?
Person 2: No, don't call, just text.
Person 1: Don't be such a Boola. Let's talk over the phone. Call me.