Mirth dream meaning is explained below using 1 different source. Each interpretation is shown with its source.
Interpretation 1 — Ibn Seerin
(Laughter, Menstrual period) Uncontrollable mirth in a dream means a misdeed one desires to eliminate but to no avail.
If one does control his hilarity and excuses himself in the dream, it means that he will fall back into the same misdeed.
(Also see Laughter)
Source: Islamic Dream Interpretation • Author: Ibn Seerin