Pertaining to a female's pubic hair that is completely out of control; an untamed female bush. Pubic hair that seems to rival the forest of Fangorn from Lord of the Rings tends to frighten unsuspecting males to the point of madness. Males that are unprepared prior to coming face to face with the Fangorn usually take a vow of abstinence immediately following the encounter. Researchers are still trying to determine "what madness drove them in there".
Nick: how was your date last night?
Brett: she had a Fangorn Forest...it was like it was speaking, even moving.
Nick: oh...my...GOD.
Brett: she had a Fangorn Forest...it was like it was speaking, even moving.
Nick: oh...my...GOD.
by Bush-Whacker January 19, 2011