With that kind of title, it can only be an Apocalypse World AP thread:

Ya see, Baby thought Rubbin would just brain Rose with the crowbar when she wasn’t looking and Bullet thought the fair fight would just be hand to hand.  She mixed the two bits of advice from the two people she looked up to most.  It is one of those classic Apocalypse World parenting mistakes that anyone could make and it led to their teenage adopted daughter into a crowbar duel with a bloodthirsty gang leader.