Your dream is rich with symbolism and can reflect several underlying themes and emotions. Here are some interpretations:

1. Protection and Responsibility: The presence of the two babies and an older child suggests a strong sense of responsibility. You might feel a need to protect those who are vulnerable in your life or perhaps you are grappling with responsibilities that feel overwhelming.
2. Fear and Anxiety: The cannibals represent threats or fears that you perceive in your waking life. They could be external pressures, societal expectations, or personal insecurities that feel overwhelming, much like the "human meat wave tactics" in your dream.
3. Escape and Survival: Your actions in the dream indicate a strong survival instinct. Jumping out of the window and sliding down the slope symbolizes taking drastic measures to escape a difficult situation. This might reflect a desire to break free from constraints or pressures in your life.
4. Conflict and Struggle: The hellish red atmosphere could signify intense emotions such as anger, fear, or stress. It might be indicative of an internal or external conflict that you are currently facing.
5. Courage and Resourcefulness: The use of the Thompson gun shows that you have the tools and ability to fight back against your challenges, even if the odds seem against you. This showcases your inner strength and determination.
6. Transition and Change: Crouching under the bridge indicates a transition phase, where you might be navigating through something difficult while trying to remain unnoticed or safe. This could symbolize a period of change in your life where you are trying to adapt while feeling vulnerable.

Consider reflecting on any current life situations that may resonate with these themes. It may also be helpful to think about what aspects of your life feel threatening or overwhelming and how you might address them.