Haha, I see now. However, one of the descriptions on Urban Dictionary..
The process to apply a faux patch of hair on and around various body parts( such as the face, chest and genitalia) by pre-pubescent boys and girls in order to make themselves appear older than their actual age.
Little Bobby got caught by his older sister, astroturfing his chest hair before the party.
(, Wed 23 Feb 2011, 17:12, Reply)