A beaner's penis. beaners are not born with a normal penis, but a deformed one oddly shaped like a bean. Some beaners get their beanis cut off and replaced with a penis, others accept their heritage, and others eat it by mistake.
Juan: janet, why did you leave yesterday, i thought we were finally going to engage in sexual intercourse.
Janet: Sorry Juan, your beanis scared the shit outa me. Now get the fuck away from me, you fucking beaner, spic, bastard!
by Mzero April 19, 2006
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The mexican jumping bean that goes freestyle.
one who can't get a date.
There goes the beanis again.
Oh damn he crashed!

Who spilled the beans?
by IhoeSki January 28, 2011
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Referring to a South American's (beaner) penis.
I was totally stoked when she said she'd suck my beanis.

Oscar,no one wants to see your shriveled beanis.

In my gym class I can always smell my friends beanis.
by tophieCC April 18, 2011
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"I am the beanis I speak for the beans you better eat more or I'll break your knees"

Jared: wtf
am the beanis I speak for the beans you better eat more or I'll break your knees
by The beanmancer February 21, 2020
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A clitoris or 'bean' so large and obtrusive, it resembles a penis.
When she pulled her pants down I began to feel like Stephen Rea in The Crying Game. As I started to wretch she laughed and said "Don't worry, mate...you're not barking up the wrong tree here - that's just my beanis!"
by WhatTwot? May 8, 2010
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