Heritage Source: Tafsir al-Ahlam al-Kabir (Ibn Sirin)
Phlegm in a dream is a man's strength. Its expulsion indicates the removal of worry and healing from illness.
Heritage Source: Ta'tir al-Anam fi Ta'bir al-Manam (Al-Nabulsi)
Phlegm indicates collected wealth. Whoever sees himself expel it is spending money.
Heritage Source: Al-Isharat fi Ilm al-Ibarat (Ibn Shahin)
Phlegm is interpreted as wealth. Whoever sees it come out of his mouth will gain wealth.