to sneak up either behind or above someone and attack them causing an instant death.

When you eat dirt for the first time and leave your family to build a shack in the woods

The art of excusing ones self from intense sexual intercourse in lue of the need to urinate thus exiting the slightly dimmed area and imitating the traits of a well trained assassin by stealthly shadow stepping your way back in leaving the victim clueless and sniping a semen streamed shot onto the most exposed and vulnerable side of the face giving you enough time to exit the premise before the guards are alerted. Extra points for the ears.