is crazy, loony, or on the verge of a psychotic break.
(note: this refers to civil unrest, poverty, and disease, not race in any respect.)
"don't mind his crazy behavior, he 'booked his africa tickets' months ago."
"work was so hectic today i was this' close to booking my africa tickets."
"dude, i'm about to book my africa tickets."
"girl, tell me about it- i already got mine."