Top definition
A quick acronym meaning "Ghetto Ass Cheap Alternative" used when BOAB or another term has been worn out.

Pronounced: Jah- See- Ay
Mike: Yo- you up for Olive Garden?

Tyrone: Nah man, Im choosing the GACA method of Hamburger helper...
by hoezdownthablock2657 February 22, 2009
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