Origins: The idea that the fence around the yard keeps the neighbors and cops from looking in and seeing what people are doing.
Dealer ~ Okay man that's $40
Fence ~ okay (calls buyer) I've got your shit, meet me at the Plaza in two hours with $40
L Chains himself to Light by the wrist, using handcuffs
Misa: Oh are you on THAT side of the fence Ryuzaki?
Real Life Example:
Person1: Yo, you heard that Ryan crossed the fence recently?
Person2: Woah! you mean he's gay!?
(Object): "That canary yellow blouse looks so fence on you!"
(Person): "You're fence."
(Feeling): "I felt on top of the fence on that stage!"