Dreams about being in detention can often symbolize feelings of guilt or anxiety about being judged by others. The act of tripping might represent a fear of making mistakes or feeling embarrassed in front of people you admire, particularly the girls who laughed at you. This could indicate a struggle with self-esteem or a desire to impress others.

Getting picked up at the end of the dream may signify a sense of relief or support after a challenging experience, suggesting that you have people in your life who care for you and are there to help you through tough times.

Overall, this dream could be prompting you to reflect on how you perceive yourself in social situations and the importance of self-acceptance. Consider what steps you can take to build your confidence and not overly worry about the opinions of others.