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1 definition by Roldick

 
1.
An adjective describing a trait of certain strains of cannibis that causes their user to experience or perceive increased or enhanced cognitive activity or ability.
"This is heady bud--I can't stop thinking about recursion"

"This is heady bud--I can't stop thinking about myself thinking about recursion"

"This is heady bud--I can't stop adding defintions to UrbanDictionary.com"
by Roldick October 19, 2003