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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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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Yo, let's smoke and eat my GCS'.

You have samoan flavor?

Duh.
by lilprankster June 2, 2015
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gc stands for get cancer, used in games such as league of legends and csgo
player 1: wow this guy sucks!
player 2: yeah he should gc
player 3: WOW GUYS, THATS MEAN!
by dcnthehe July 21, 2021
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Scottie: ayy were you on the office gc last nite?
Jesus: ofc i was bruh
Man: lol that gc was off the hook
by mynameis__jeff July 13, 2015
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A term used to describe a gay person usually called Corey. GC's are too open about they're sexuality and they like to bring it up no matter the conversation
Normal person: Hey GC.
Corey: Could you please stop calling me that. By the way I'm gay.
by Scott McKenzie June 21, 2022
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Abbreviation for "Gender Critical", another term for TERF, which are people who believe that women can only be women if they are AFAB (Assigned Female at Birth).
Did you notice how GCs are now trying to co-opt Terry Pratchett as someone who would have supported their agenda, even though if they've actually read Terry Pratchett's books--particularly Discworld's "Monstrous Regiment", "Feet of Clay", or any of the ones involving Cheery Littlebottom--they'd realize that he supports people being whatever gender, or lack thereof, that they choose to be.
by HoopyFrood1111 August 1, 2021
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