His holiness Ibn Sirin said: "Seeing oneself urinate in a suitable place in a dream signifies deliverance from anxiety and grief."
Seeing oneself urinate on oneself in a dream is interpreted as losing the wealth one has.
Abu Sa'id al-Wa'iz said: "Seeing oneself urinate in an unknown place in a dream signifies marrying an unknown woman." If a person sees himself urinate into a vessel belonging to himself, it is a sign of spending wealth in a place where it will come back to him.
Ja'far al-Sadiq said: Seeing urine in a dream is interpreted in many ways: a) if he is poor, he will become rich, b) if he is a captive, he will be freed, c) if he is a slave, he will be released from bondage, d) if he is a traveller, he will reach his homeland safely. Kirmani said: Seeing oneself pass blood in one's urine signifies a child with deficient limbs. If an unmarried man sees himself urinate into a bottle or a basin in a dream, it is a sign of marriage.
Seeing oneself urinate, someone else also urinating in the same place, and their urine mixing together signifies that a relationship by marriage will arise between them.