i) To be unintelligent to the point that anything resembling any comprehensive or sensical thought is completely bypassed and unable to be understood.
ii) To be so stupid, so incredibly idiotic, so outright dumb, that on a scale of dumbtitude, one is 50 thousand leagues under the dumb.
I saw this fan design the other day, it had one prong, not two, or one long one. JUST ONE. There was no way it could work and it just wobbled and bumped into the ceiling. Fucking 50 thousand leagues under the dumb right there man.
Holy jesus christ iggy you're 50 thousand leagues under the dumb. -dre and/or Fox