Dried nasal mucus that accumulates in the nose; informal term for what most people call boogers.
The word 'booger' likely derives from the Dutch word 'bogher' or German 'Bögel,' meaning to wipe or blow. It entered English slang in the early 20th century as a playful, informal word for nasal mucus.
Your nose actually produces about a liter of mucus every day as a defense system to trap dust and germs—so boogers are actually your body's personal security guards, even if they're kind of gross!
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