Groggy (Origin)

What Is the Origin of the Saying "Groggy"?

Meaning unwell the term groggy denotes a hangover from the alcoholic drink grog. The word grog comes from "Old Grog," which was the nickname sailors gave to Admiral Vernon, the commander in chief of the West Indies. Admiral Vernon was renowned for watering down his sailors' rum ration. This watered down rum become known as grog.

Examples of Use:

After a night of little sleep, she woke up feeling groggy and disoriented.
He struggled to concentrate in the morning because he was still feeling groggy from the medication.
Walking up the stairs after a long workout left her feeling groggy and out of breath.
The effects of jet lag made him feel groggy and off balance for the first few days of his trip.
She had a late night studying for exams, so she felt groggy and drowsy throughout the day.