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1.
GCF
gold coasts finest is what cody simpson and jake thrupp say
im hanging out with GCF <3
by ilovecody143 January 03, 2012
 
2.
GCF
good clean fun; those who don't need to get fucked up, smutfuck, fuck someone over etc., to have fun.
also a hxc/punk band from DC
straight edge. descendents-GCF. the moral behind the best shows.
by kstinks March 02, 2008
 
3.
GCF
A way of trolling on omegle. When they ask what it means, make fun of them.(it could mean greatest common factor, pretend it means something dirty)
you:GCF?
stranger:GCF?
you:all the way(;
by kindasortamaybe November 28, 2011