Sports organised by the GAA (Gaelic Athletic Association), notably hurling and gaelic football.

Short form of "Gaelic Athletic Association" which is the strange irish sports... gaelic football, hurling, handball etc...

a general expression of disgruntlement
(never, ever spelled with an h)

Get An Attention Span

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.

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

GAA is an acronym for Great Arrogant Assholes