Slang used commonly to describe illegal immigrants from Mexico who are currently in the United States . (stress - ILLEGAL) These illegal immigrants have no command of the English language and no inclination to change that fact.
This in no way describes bonafide LEGAL immigrants from Mexico or anywhere else, who are a staple of America.

In Spanish, frijolero, just a Mexican (Someone from Mexico)! Not necessarily an immigrant!
No me llames frijolero,
Pinche gringo puñetero.
Chingado!!

A Mexican person living in the United States that supposedly eats beans. Usually an illegal imigrint that recently crossed the US border

Noun; 1. A person of hispanic origin, usually a Mexican who supposibly eats beans, especially a recent illegal immigrant. 2. A racist term for a person of hispanic origin, again, usually for a Mexican.

A deragotory word for a mexican. It has no relation to the mexican's way of entry into the United States. It could even apply to a hispanic individual who is an american born citizen.

A word of caution. Don't let a mexican catch you calling him a beaner, even if he was just talking smack about you in spanish. If he catches you, you'll have to fight him.
(and his 12 cousins)

You can diffuse the situation quickly by offering a giant nike swoosh decal as a peace offering.

A 100 dollar bill. Used in Mafia slang, and generally heard around the north eastern United States.

A beaner is a "woman boner"
An enlarged clitoris.
An aroused clitoris

n: an aroused clitoris; a femle erection

The clitoris has been described as resembling a "bean" by some and as the male counterpart's erection is considered a "boner," women have pridefully used the word "beaner" to describe the erect clitoris.