The social phenomenon where blonde girls clump together when in a large group setting. The lack of melanin in their hair is thought to be responsible for this chemotactic effect.
*two brunettes at a party*
"Do those girls know each other?"
"No, it's blonde agglutination.... they have no choice."
"Do those girls know each other?"
"No, it's blonde agglutination.... they have no choice."
by HOFBrNCl October 30, 2019
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