What does Brain Thinking mean?

Brain Thinking meaning in Urban Dictionary

High caliber thinking, just like the time in highschool whenever individuals were trying to figure out whether the assistant gym instructor's tits were real, and you also came up with the concept of drilling that gap inside locker area wall, and it worked, and so they weren't real, in reality they were simply a padded bra, that has been unsatisfactory and destroyed everybody's teenage fantasies, but ended up being O.K. because your brilliant plan really worked.