From bean + -er. Literally "a person who eats beans", since beans are a staple of Mexican cuisine, and eaten in Boston as Boston baked beans.
Meanings
(US, ethnic, offensive, slang, slur) A Mexican.
I'm a beaner, and I'm telling you white people, that's a bullshit number right off the bat! 2005, Carlos Mencia, Mind of Mencia:
You're gonna work out good, Dave. I was afraid they were gonna hire another nigger or a beaner. 1999, Gregory Alan Norton, There Ain't no Justice, Just Us, Xlibris Corporation, →ISBN, page 32:
Hey bro I'm a beaner, we ain't good at math. Jeez, dawn 'ju watch TV? 2003, Roy Yelverton, “chapter 2”, in Shovelhead Red – The Drifter's Way, archived from the original on 04 Aug 2007:
(US, broadly, ethnic, offensive, slang, slur) Any Hispanic or Latino person.
(offensive, slang, sometimes) A casual term of address, especially used by Mexican Americans.
(US, slang) A Bostonian; a person from Boston, Massachusetts.
In Boston the beaners found out what a good show we had when we jumped to Albany. But all the while the Boston press praised and they heeded not until it was too late and then they added their regrets to ours. 1994, Charles H. Day, William Lawrence Slout, Ink from a Circus Press Agent (page 64)
A pitch deliberately thrown at the head (the bean) of the batter.
(broadly, informal) Head.
Any ideas on how I could solve this problem? This seems to be beyond what my beaner can solve right now....I hope all this work wasn't for nothing! 2001 October 2, William, “Capturing Group Therapy Hours?”, in microsoft.public.access.forms (Usenet):
I know what picture yer referring to, but I didn't have a problem with that because the fundamentals of reactance have been in my beaner since I was a teen. 2004 April 30, Active8 [username], “Re: Smith Chart question”, in sci.electronics.design (Usenet):
Before Chester could compose himself, the Bombshell leaned over and planted a ruby red smackaroo right on top of his bald spot. Chester Cranepool had had a few things hit him on top of his head before, but nothing that felt that good. Looking like a Franciscan monk with a bullseye on his beaner, Chester simply said, “Bless you, my child.” 2011, Mike Griffin, Tales of the Lost Flamingo, AuthorHouse, published 2011, →ISBN, page 159:
(US, dated, slang) A superior or admirable person; something excellent.
Pride, indeed, Esther thought — that was a beaner! There was more purse than pride in Mayme's repentant heart 1949, Martha Ostenso, The Sunset Tree, Dodd, Mead, page 106:
Gee, that would be a beaner of a sign for education 1942, Forrest Edwin Long, Philip Westcot Lawrence Cox, The Clearing House, page 527: