Two known examples
1. Morning fog relates to the North Carolina Appalachian mountainous region around Asheville. Clouds forming a fog in the mountains valleys in the morning hours are quite beautiful while drinking a coffee.
2. Jerking off into your sleeping partners eye’s without waking them in the morning. Forming a fog like glaze in their morning vision.
“I love the Asheville area cause of the Morning Fog”
“I gave her/him the Morning Fog”
“Jesus! I can’t see ! I got Morning Fog in my eyes”