the Big A 

slang for the city of Anaheim, California which is located in Orange County near LA. the name is derived from the giant letter A outside of Anaheim stadium which can be seen from the 57 freeway.

A-town is a word commonly mistaken for the city of Anaheim which in reality refers to Atlanta, Georgia.

I'm representin from the Big A.

the Big A by xxWhE3L5xx January 5, 2009

the big A 

Anal sex. Particularly gay male anal sex. From the film Reality Bites (1994)

Sammy Gray/SteveZahn: "I think the real reason that I've been celibate for so long isn't really because I'm that terrified of the big A, it's because I can't really start my life without being honest about who I am."

the big A by NinetiesNiles February 27, 2013

The Big A 

If you are sick and you come to work and complain about being sick, then everyone can make fun of you for having "The Big A".. i.e. AIDS.

Note: You may not actually want to use this word if you suspect someone actually has AIDS.

Dan comes to work with a cold. His eyes are watering and her nose is running. Coworkers mock him mercilessly for having "The Big A."

The Big A by Kate12345 October 16, 2007

The Big A 

Anal.

I think me and my girlfriend are ready for the big a.

The Big A by XXXxx-_scrub_-xxXXX June 5, 2015

The big A 

Autism

Buy some new shoes bro, you look like you’ve got the big A

The big A by L webs June 27, 2019

the big A 

someone with a huge ass.

"Look at the big A over there!"
"Yeah, I'd tap that."

the big A by wilfs January 13, 2008

The Big A Fallacy 

When you only side with people that live in Atlanta, Georgia, thus creating a bias towards those people.

Christian is the biggest user of The Big A Fallacy!

The Big A Fallacy by CrimperxCrimmy July 14, 2025