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AKA brain fog; cognitive impairment; period during which higher executive function is affected; difficulty thinking

It can be caused by many things. Commonly it is due to fatigue, physical duress, or intoxicants.

Generally it is temporal in nature. It comes and goes.
Summer heat and insomnia ganged up on me. After the cog fog hit forget writing, I couldn't even remember the day of the week !
by FichenDich August 29, 2017
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Sep 14 Word of the Day
Micro marriging is when your partner manages your personal day-to-day tasks with you much like a Micro Manager at work.
Wife: “Have you put the sheets out to dry and put the towels on?”
Husband: “Yes. You know I am a grown adult also used to live alone so you do not need to micro marrige me”
by Thomas Maddocks March 16, 2018
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