An idea or insight a person has when they are high. For the duration of being high, it is a truly profound, original, and useful idea, but turns out the next day to make no sense, or be of any use whatsover.
Jimbo had an highdea last night that he was sure would make him a multi-millionalre. The next morning, however, he realized that no one would be interested in purchasing live ducks to wear as headwear.
Worst school in Reading. A bunch of thotties and absolute fuck boys of which have already ruined their lives by bunning bare and taking many drugs. If you pull a bitch from this school, she is most likely contaminated woth HIV or Gonorhoea
Jaker: Come lets walk down Surely Row
Michael: Oh shit theres a little yute on the floor
Jaker: Dont worry hes from Highdown School you find this alot around here