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
by Hackney yout' January 31, 2011
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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
by Maximus O’Neil November 24, 2018
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GC

by jp76483509275984327593275 September 21, 2008
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GC

Jay: Did you fuck Jess last night?

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

Jay: GC.
by bigoldirtyslut December 27, 2010
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GC

by mario chewbacca December 12, 2010
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GC

When used online, the abbreviation GC most commonly means "Group Chat". However, GC has four common meanings: "Group Chat" (particularly on WhatsApp), "Good Condition", "Good Call" and "Gay Couple" (especially on online dating sites).

Group Chat.

WhatsApp has a group chat feature that allows you to send a message to multiple contacts (i.e., all those within the group you have created). Members of that group can also send a message to all group members. This is known as Group Chat, which is often abbreviated to GC. (It is typically used by family groups, groups of friends, or clubs.)

Good Condition.

Good Call.

GC (Good Call) is used on to express approval for someone's decision or suggestion.

Gay Couple.

GC (Gay Couple) is used on online dating sites such as Craigslist, Tinder, Zoosk and Match.com to indicate the sexual orientation of users.
Person A: Let's tell everyone tonight in a GC.
Person B: Okay.
(Here, GC means "Group Chat".)

Person A: How can they claim this is in GC? The fan doesn't work.
Person B: What is it?
Person A: A fan!
(Here, GC means "Good Condition".)

Person A: I'm not drinking tonight.
Person B: Nor am I. GC.
(Here, GC means "Good Call".)
by Leäh May 07, 2019
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GCS

Glasgow Coma Score, or Glasgow Coma Score. A scoring system to determine a person's level of consciousness. A score of 15 is determined by eye movement, verbal skills and the person's motor skills and reaction to pain. Published in the University of Glasgow. The Paediatric GCS, or PGCS is used for children under 36 months.
Paramedic: Approx. 23 year old John Doe, found unconscious in the road. Head lac and possible tib fib fracture. BP is 90 systolic, GCS was 6 at the scene, now 12.
by JD UK January 21, 2006
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