look up any word, like the eiffel tower:
 
1.
GCA
Gay Club Anthem (GCA) is a term for an overplayed top 40 song or remix that is frequented at clubs.
"Hey man, don't you wish they'd play 'Firework' again?"
"Yeah, that's my favorite GCA"
by GhetoGhetoHayy October 17, 2011