If they could only shake it off and see themselves in a less critical light, they would feel much better about themselves and be able to attract success into their life. Dreams about hippos can also represent concerns about fertility and childbirth as the female hippopotamus represents the Egyptian Great Mother, Amenti, the goddess of childbirth. [1]
Obvious.
Hiding aspects of yourself (thoughts, opinions, motives, physical self) or not communicating or revealing everything about yourself (as hippos are sometimes seen submerged in water.) Dreaming of this animal can represent too much or not enough of one of those qualities, or someone or something you associate with the quality or animal.
Consider also the animal’s actions, context, and your feelings about it.
See also: Animal, Rhinoceros [2]
The devouring mother or woman; the devouring unconscious, animalistic but also comic.
According to Jung, the monster, the evil, that wants to swallow you up. [3]
It is also associated with the idea of fertility.
If you see it submerged in dirty water or mud, the dream points to your lower passions and depraved impulses. These impulses do not give you any pleasure if you are ruled by them.
Announces strength, animal vigor, and fertility. [5]
To dream of a hippopotamus pertains to revealing your strength and power. [9]
2. Bossy spirit,
3. Large dangerous and mean influence [10]