MommyJacking refers to the online phenomenon where a parent redirects the focus of a social media thread toward their own experiences with children, regardless of the original topic. The term gained significant traction through the popular blog 'STFU, Parents,' which documented egregious examples of parents oversharing or minimizing others' problems by comparing them to the 'hardships' of parenting. It typically involves a non-parent posting about a simple struggle, like being tired or busy, only to be met with a comment asserting that they cannot possibly understand such feelings without having kids. The meme serves as a satirical critique of the competitive nature of parenthood and the perceived lack of social boundaries in digital spaces.