GC

Gay Component (with capital letters), everyone is a little gay, even Clint Eastwood is 1-2% gay, it's getting more obvious in his old age.

Usually people come out of closet when their GC hits 50%

Man, Carl has cried during the speech, his GC is acting up, he is at 25%

gc

A good cunt.

Someone who did something good or nice.

person A: he gave me the last wicked wing from his kfc bucket.
person B: what a gc.

GCS

A shortened version of General Chirpsing Skills, that was coined by the badass youth of Hackney, London.

If a boy is chatting up a girl and his friends see they may state 'GCS'

Dude how did you get that girl?" "I've Been working on my GCS

GC

Derives from Toronto slang, G.C means (girl clown) a guy who consistenly starts to act funny around girls to gain their attention.

I hate when Trayvon acts like a GC when we’re with Tamika and her friends

GC

Good Cunt booty

ur a GC

GC

Good Cunt

Jay: Did you fuck Jess last night?

Bob: Yea! I gave that bitch ass to mouth.

Jay: GC.

GC

Gay Cunt

Man, that guy is such a GC