Short for Knee Cap Sex. One of the favorite activites of the South Park Marching Band since 2006ish. It was banned from the band on September 14th, 2007. However, illegal KCS groups still exist.

KCS can be a fun and safe activity. Wearing KC condoms helps stop the spread of disease. Bondage and costumes are also used.

Sadly, some individuals may become addicted to KCS. This condition is not life threatening; it is actually rather fun. But you didn't hear it from me.
"I want KCS from you right now!"

"KCS is yummy"

"Josh, what are you doing? Stop touching her!"
by Alyssa yo. September 15, 2007
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kc (fortaaal....) is one boss ass bitch, in real life like when you see her she is pleasant and polite and an innocent little flower but behind closed doors kc is one of the kinkiest most fetishy kinds of people you will ever meet. She is funny as heck if you know her she will crack you up dead, she tells everyone she plans to be sober and only fuck on her wedding night, but me knowing her that well she is down to fuck at any moment just dm her and all she needs is something to work with ;), but don't treat her badly because she is amazing and her gang of friends will beat your ass. never take her for granted she will make a marvelous wife and an even better mother. but she gets turned on by moans, foreplay but i mean who doesn't and confidence. love u, kc also really likes older guys from the middle east
omg look at kc shes liked the same guy for 5 years and own 6 dildos and 4 vibrators a cock ring and 7 small buttplugs
by bigmumma6701 September 26, 2017
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Kc is a very pretty girl with eyes that can make anybody fall in love with her she laughs at any time and she has a flat ass but that is alright her looks make her better at getting the boys.
Wait who is that girl with the pretty eyes

That’s Kc duhhhhh
by BaddieB 34344 September 23, 2019
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A fucking liar, and always use excuses. If you friends with her with anyone named this RUNNNNNN!!!
''Kc is known as the rudest person''
by Michelle Beaugen June 20, 2020
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Kc is the cutest girl you will ever find. Shes mostly going to be 4 foot and some pretty eyes. Shes also kinda naughty😈. She will make you smile, laugh, and be happy. She will take care of you till you ask her to marry her.
Hey, whos that?

Oh her? Shes kc. The girl of my dreams <3
by Jellyonaga21 December 2, 2018
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The best soccer team ever, playing in the best soccer stadium ever. We hate the Chicago Fire, the Seattle Sounders, DC United, and any other MLS teams.
Person 1: "Man, I wish the Sounders were as good as Sporting KC."

Person 2: "Yeah, that will never happen."
by FootyChronicles December 30, 2011
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KC and Elka are two famous podcasters from Albuqueerque, New Mexico. Their podcast is called 'The Planet: The Podcast for L Word fans'. On the podcasts they discuss The L Word, their every day life, and everything else that comes to mind.

Alot of the KC and Elka fans, also known as kelkians, communicate with each other on The Planet Forum. Their fans are known to be very dedicated, and maybe even a little obsessed at times.

Kelkian1: Jesus fucked my unicorn in the neckhole.
Kelkian2: Wait, where have I heard that before?
Kelkian1: That is a famous quote of KC and Elka.
Kelkian2: Right, so do you listen to the Planet Podcast too?
Kelkian1: I'm a member of the Kelkian Army, so yes.
Kelkian2: Let's call the Kelka Hotline!
by XEVEX March 24, 2007
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