Abbreviation for 'game creation system'. Examples range from ASCII games such as ZZT to more elaborate examples such as RPG Maker 2000.
"I've found a new GCS ... I haven't made anything in it, yet."
an abbreviation for Giant Cock Syndrome
Damn, that chick i work with is so smokin hot i got GCS all day long!
a school where the pastor traditionally gives all the teachers a blow job after giving them the job. the students are taught to pole dance, strip tease, and variety of sex positions, including 69 and doggy style. this school only accepts kids of ages 3-6. at the graduation ceremony the guys perform their masturbation dance and the girls do their famous finger dance for their friends and family.
jill:damn that girls a hoe!""
did she go to gcs?
jack: "yea she graduated with honors in pornograhpy.
stands for gay cow boy sex butt sex
guy1* yo man wanna have some gcs
guy2* wtfzor is gcs
guy1* gay cow boy sex
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!
Scottie: ayy were you on the office gc last nite?
Jesus: ofc i was bruh
Man: lol that gc was off the hook