Mocking dream meaning is explained below using 2 different sources. Each interpretation is shown with its source.

Interpretation 1 — Internet Archive - Anonymous

Take care not to be swindled. You will be asked to assist others. Do not neglect your own affairs while trying to settle those of others.
Source: Mystic Dream Book Author: Internet Archive - Anonymous

Interpretation 2 — Margaret Hamilton

A warning to beware of a bully with low self-esteem who wears the mask of superiority; see “bull”
Source: Dream Dictionary Unlimited Author: Margaret Hamilton