The term "Norty horti" derives from two abbrevieated and somewhat altered words due to modern slang/shorthand: the first word (Norty) being "Naughty" and the second (horti) being "Horticulture" put simply... naughty horticulture is to cultivate (grow) an illegal plant (most likely marajuana)
by danofthepleasedwimmen December 25, 2007