Dream about poop in underwear draws attention to the minor details of life and how you deal with them. You have recognized your full potential. You are just getting by. This dream is an evidence for an authoritarian figure in your life. You need to exercise care in some fragile situation.
Poop in underwear dream denotes self-doubt in your own abilities. Your vitality and energy is being drained away by some situation or someone else. Perhaps you need to get to know a person on a deeper level. Your dream is a metaphor for the intellect or secrets of the mind. You are being influenced by the beliefs and wishes of others.
If you dreamt about poop in underwear:
You are bending over backwards to serve others and to make sure that everything goes smoothly for the people around you. Now ask yourself if you are really doing enough to serve yourself. Make sure you are addressing your own needs as well.