Source: The Great Interpretation of Dreams (Ibn Sirin)
Passing wind in a dream indicates ugly speech or worry and grief. If it has a sound, it is worry with scandal. If it is silent, it is a minor worry.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
Passing wind indicates relief from distress. It may indicate a false word.
Source: Signs in the Science of Expressions (Ibn Shaheen)
Passing wind is interpreted as worry. Whoever sees himself passing wind will be afflicted with worry.