what does "抜かれくってる" mean?

What does "抜かれまくってる" mean? What does "抜かれまくってる / 抜かれまくって" mean? Used in this story script context (from GE2 game story) https://novel.syosetu.org/24069/24.html (Ctrl+F and copy paste to find!) additionally, what does this mean > (in same script ) ナナみたいに開き直れるほど大物でもない... from what I can tell...