1) a woman who carefully marks out her male target/prey and devises secretly deadly strategies to ultimately trap him where she wants him, rendering him useless, and ultimately killing him in the war of love.
2) A woman adept in playing mind games in order to gain a man's heart with the purpose of only confusing him and killing him with a single shot to the heart.
3) A sneaky woman
1) Did you see what Bella did to Jacob? She is such a sniper, bro.
2) Lisa told me she was having a baby so I stayed with her, then when she got tired of she moved to my best friend and told him she was never having a baby. Now I'm crying in the shower everyday with my clothes on... She is such a sniper