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

Interpretation 1 — Stearn Robinson - Tom Corbett

Another dream of contrary.

If you were the subject of the dreamed derision, you will triumph over those who are pulling against you; but if you did the jeering or were aware of it in connection with others, it is a warning to be less controversial or your lack of diplomacy could result in serious quarrels.

Source: The Complete Guide to Interpreting Your Dreams Author: Stearn Robinson - Tom Corbett

Interpretation 2 — Internet Archive - Anonymous

To dream of being Jeered at by companions foretells triumph over enemies.
Source: Mystic Dream Book Author: Internet Archive - Anonymous