1 definition by MitchShevae

Top Definition
When a pair of jeans makes a girl appear to have a penis.
A Jeanis is when a girl is wearing a pair of jeans, which consequently make it appear that she has a Penis. If you are a girl, and especially if you grew up in the 90's, then you have probably had at least one Jeanis in your life.
by MitchShevae June 30, 2010
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