To dream about a weasel represents your lack of trust in others. It may also mean that you are being deceitful. Also, click to see other meanings of this dream.Weasel 1. An untrustworthy person. 2. The dreamer him/herself is deceitful.Weasel A dream forecasting friendship for malicious persons (Gypsy). “An emblem of malice.”Mongoose, Lynx or Weasel The interpretation of any of the above is the same as a cat except that the illness is of a less serious nature and for a shorter period.