An abbreviation for "good character(s)". It refers to a person or persons who is/are extremely interesting. Good characters do not always have to be your friend; as a matter of fact, they are often seen as complete jokes to you and your friends. GC's are usually invited to parties to enhance the quality of the pictures that will be taken and uploaded to facebook.
"Is Eric coming to the party this afternoon? He's such a GC"

"I went to the Berkshire Apartments and hung out with some GC's. I can't wait to show you the pics"

"Joe got his certification as a reverend over the internet. He drinks whiskey every day and believes he's fighting for the Confederacy in the Civil War. GC!"
by Cat Baker May 4, 2009
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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%
by Pseudonyme1 May 22, 2017
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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.
by stankbear September 21, 2021
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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
by Hackney yout' January 31, 2011
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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
by Maximus O’Neil November 24, 2018
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Jay: Did you fuck Jess last night?

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

Jay: GC.
by bigoldirtyslut December 27, 2011
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