The term "fillupmymom 24 12 05" seems to refer to a specific challenge or event within the fitness community, possibly related to a holiday or a personal milestone. Without direct context, it's challenging to provide a precise explanation. However, it could represent a day of reflection, goal-setting, or a challenge that individuals, especially mothers, undertake to focus on their health and well-being. It might symbolize a movement or a personal mantra for individuals like Andie Anderson, who are passionate about fitness and family.