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1. To have a head the shape of a greenbean
2. To be mentally addicted to the bean of green
3. Anyone named Sara
"Mommy, why does she have a greenbeanhead?"
"Over the years I've become a greenbeanhead because of my addiction to greenbeans"
"My name is Sara and I am a greenbeanhead"
by Doug Schul January 12, 2007
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