Seeing oneself drink Zamzam in a dream signifies healing from troubles and illnesses, illumination of the heart, and attainment of knowledge and spiritual understanding. This is because Zamzam contains healing, and whatever intention it is drunk for is fulfilled.
Seeing oneself drink Zamzam also signifies attaining goodness in piety and righteousness. Filling a jug with Zamzam signifies being adorned with the light of spiritual understanding, and attaining knowledge, wisdom, and lawful provision.
Performing ablution with Zamzam and praying signifies going on Hajj. Offering Zamzam to others signifies attaining abundant goodness.
Pouring Zamzam water over one's head and cooling oneself with it signifies deliverance from sins and recovery from illness.