look up any word, like donkey punch:
 
1.
gaa
Sports organised by the GAA (Gaelic Athletic Association), notably hurling and gaelic football.
I like gaa, but the GAA has a habit of ruining it.
by Darth Ridley March 10, 2007
 
2.
A declaration of general displeasure with the context of said statement. May be used at any situation where something triggers a general negative reaction. No further explanation is needed, and it is important to point out GaAs can be used in written form as well, such as on Facebook.
Dude I think I just failed bombed this test... shit my mom is gonna kill me." "GaAssssss
by XIKermiester June 27, 2010
 
3.
A term for a female who believes she is funny but fails to see that nobody else is laughing becuase she is so up herself.

Pronounced: Gah
That Grace girl is so G.A.A.!
by GraceIsPoopy May 12, 2009
 
4.
Get An Attention Span
"GAAS": An e-reply to the Internet acronym TLDR (when used to mean "Too Long, Didn't Read"). Sarcastic, but appropriate when the length of the original message was only "too long" for a sound bite bitten, txt msgd, acronym atrophied brain.
by Mike Grissom May 21, 2006
 
5.
gaa
Short form of "Gaelic Athletic Association" which is the strange irish sports... gaelic football, hurling, handball etc...
by Cully April 01, 2003
 
6.
gaa
a general expression of disgruntlement
(never, ever spelled with an h)
<someone says something stupid>
you say: gaaaaaa
(as in, i can't believe you're so stupid!)
by roger May 17, 2004
 
7.
gaa
Goodwood Aintree Ascot These are English racecourses
There is no racing at GAA on Good Friday or Christmas Day
by St. Ias September 18, 2005