The act of fingering a girl but on the outside of her jeans while she is wearing them.
*Often used during hardcore make-out sessions and foreplay.
Nix0rz: So Beau how was the movie?
Beau: Amazing, I gave julie the Denim Finger.
Jake: You old sailor you.
A queer so gay that the word "queer" cant sum up their gayness. So you use the word "fueer".
CAUTION : Only use this word on a person that is amazingly gay.
Mason: "Fucking John is such a fueer."