Dream about a big bowel movement is a metaphor for an aspect of your former self that you still have not completely let go. There is not enough time to do all the things you want to do. You feel stuck in you current situation and do not know how to get out of it. This unfortunately draws attention to a prickly situation where you are unable to detach yourself from. You are trying to pattern yourself after someone you look up to.
A big bowel movement dream hints your lack of motivation. There is something that you are ready to get off your mind. You are being pressured and pushed against your will toward something you do not want to do. This is sadly a warning signal for death, old age or an ending of something. You need to go with your gut feeling and trust your intuition.
If you dreamt about a big bowel movement:
One in particular could bring a dose of sunshine into your life, as you both seem to share the same interests and outlook. This, more than anything, will put a smile on your face, and give you something to look forward to in the future.