To dream of a hippopotamus represents unfriendliness, or standoffishness. Feeling that someone doesn’t like you. You may be experiencing people or situations that are cold, distant, temperamental, or difficult to approach. A hippo may also reflect trouble co-operating or an inability to get help. Crankiness. Feeling that people are being rude to you.
A hippopotamus may also represent your own unfriendliness or disinterest in co-operating with others. A hippo could reflect behavior that is noticeably uninterested in the success or well-being of others.
Example: A young man dreamed of hippos in a river. In real life he was experiencing hostile people in the work place and feared losing his job.
Example 2: A woman dreamed of a hippo being her friend. In waking life she was being very standoffish with doctors as she tried to find a solution to her cancer. The friendly hippo reflected her disagreeableness that was helping her since she knew she was right and refused to take no for an answer.
Example 3: A man dreamed of fearing a hippo coming out of the water to eat him. In waking life he was a webmaster experiencing traffic losses from google to his website and was afraid that if he made any changes to his website that google would penalize his site with even more traffic losses.