Dreams involving themes of hiding a body, water, and feeling submerged can often signify feelings of guilt, fear, or anxiety about a situation in your waking life. The presence of your cousin Dom and the other individuals could represent aspects of your relationships or interactions that are causing you concern.

The act of hiding a body may symbolize something you or someone else is trying to conceal or avoid facing. The laughter from Dom, particularly in a moment of tension or fear, could represent feelings of betrayal or a sense that someone you trust is not taking a serious situation seriously.

Water in dreams often represents emotions and the subconscious. Falling into the water and sinking might indicate that you are feeling overwhelmed by your emotions or a particular situation. Allowing yourself to sink suggests a desire to escape or confront these feelings rather than fight against them.

The transition to floating and seeing Shawn in an unusual position suggests a shift in perspective or awareness, as if you are stepping outside of yourself to gain insight. The phrase “do you hear the voice” may represent an inner voice or intuition that is trying to get your attention about something important that you might be ignoring.

Finally, the act of pulling yourself out of the dream indicates a desire for control and the ability to confront your fears. The music playing in the background can also add layers to your emotions and experiences within the dream.

Overall, this dream seems to reflect a struggle with confronting hidden emotions or issues, a need for clarity in your relationships, and a journey toward self-awareness. It could be beneficial to reflect on any current situations or emotions that may be causing you distress and to consider addressing them directly.