Extinguishing a Lamp with Mouth
Interpreters suggest that if one sees themselves extinguishing a lamp with their mouth, it might indicate an attempt to invalidate a righteous man's matter. However, they emphasize that this matter will not be nullified by their action, referencing the Quranic verse about God perfecting His light.
Per Ibn Sirin's Muntakhab al-Kalam fi Tafsir al-Ahlam
Note: These are traditional scholarly interpretations (ijtihad) drawn from a specific classical source — not a binding religious ruling, fortune-telling, or a prediction of the future.