A quick acronym meaning "Ghetto Ass Cheap Alternative" used when BOAB or another term has been worn out.
Pronounced: Jah- See- Ay
Pronounced: Jah- See- Ay
Mike: Yo- you up for Olive Garden?
Tyrone: Nah man, Im choosing the GACA method of Hamburger helper...
Tyrone: Nah man, Im choosing the GACA method of Hamburger helper...
by hoezdownthablock2657 February 22, 2009
Get the GACAmug. by Daddy lalad June 8, 2021
Get the Patricia gacamug. by StormBolt April 12, 2025
Get the Mrs. Gacamug. 
