1 definition by rachaele

Top Definition
a person who knows excessively about denim and/or other pants, or smarty pants
girl 1:where did she get those cool pants? i want a pair!
girl 2:those are from (insert brand here) holister!
girl 1:how do you know?
girl 2: i guess i'm just a jeanius
by rachaele April 26, 2009

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