This dream appears to be rich in symbolism and could reflect various aspects of your waking life. Here are a few interpretations:

1. Hidden Aspects: The odd shop being hidden might suggest that you are exploring parts of yourself or your life that are not usually visible or acknowledged. It could represent a desire to discover unique or unconventional aspects of your personality, interests, or experiences.
2. Curiosity and Experimentation: The weird snacks and drinks indicate a sense of curiosity and a willingness to try new things. This could signify that you are open to exploring new experiences, even if they seem strange or unconventional.
3. Unexpected Outcomes: The water in the crisps and the gummy worms being alive could symbolize unexpected results or surprises in your life. It may suggest that what you perceive as something harmless or enjoyable could have underlying complexities or challenges.
4. Social Environment: Sharing the experience with classmates and noticing that everyone has odd food could reflect your social interactions. It might indicate that you feel a sense of community or camaraderie in exploring the unusual, but it could also hint at feelings of being out of place or concerned about what others think.
5. Insects and Odd Beings: The presence of insects or strange creatures in the food could represent feelings of discomfort or anxiety regarding certain aspects of your life or relationships. It might be worth exploring if there are situations or emotions that feel overwhelming or unsettling.

Overall, this dream could be encouraging you to embrace your curiosity, while also being mindful of the unexpected complexities that can arise from new experiences. Consider what areas of your life you might want to explore further, and be open to the surprises that come along with that journey.