The quote expresses a dramatic shift in emotion from indifference to intense anger. It captures a moment when the speaker’s feelings change rapidly, indicating a strong reaction to whatever situation they are facing. The phrase "flipped my bitch switch" emphasizes the suddenness of this transformation, suggesting that the speaker has reached a breaking point.

In the context of the book "Sentinel" by Jennifer L. Armentrout, this expression likely reflects the character's intense feelings and the high stakes involved in their circumstances. The imagery of going from "meh" to "pure rage" highlights the themes of conflict and emotional turmoil that are often present in Armentrout's work, resonating with readers who understand the struggle between apathy and passionate response.