A sexual interaction whereby a human's butt is on another's face.
by Sentry2703 November 19, 2020
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Sit on it is what a guy says to another dude when he wants that guy to ride the peg - his big raging boner.
When I got back from the cadet showers, Matt, one of my roomies, was laying on his bed with a raging boner and he told me to sit on it!
by USAF Cadet May 13, 2021
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Secret Internet Troll. One who takes pictures of themselves in dimly lit rooms and posts to facebook to make them look more attractive.
Dang, I saw this chick on facebook, she looked good, but when we bumped into each other at Dave's party, she was a total SIT.
by victormacho July 17, 2011
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Self Indulgent Teenage Shit. Can be used for people between the ages of 12 and early 20s when they are indulging in self-pity, overcomplicating their lives, constantly making statements that people don't realise how special they are, or otherwise speaking or behaving in an selfish, egocentric way. It is a synonym of "Drama Queen", and is commonly associated with Goths, Emos, Punks, Princesses, Fatties, and people with mental health issues such as depression and eating disorders.
Teenager: "I'm feeling really emotional today. Everything keeps going wrong. I feel like everybody in the world is out to get me, and I can't do anything about it." This person has SITS and should be told to get a life and harden up.

Moping around and refuses to acknowledge anybody, or is rude for no reason = two more examples of SITS.

Teenager complaining about parents piss them off and limit their independence, while said teenager refusing to accept any responsibility for their actions and expects their parents to still give them everything they "need" (want) = classic example of SITS.
by AshleyWinston January 28, 2010
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Used as a phrase.

It means to sit somewhere and think about the idea you have or to shut up and think more about what you are going to say before you move on to what you're going to say.
Me: Hey Fonz can I get some..
Fonz: Sit on it Kami.
by Kamisama May 31, 2005
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Sit is an abreviated word deriving from ''Suck it''.

Into wich we are introduced: S.IT, or more commonly, ''sit''.

But what does S.IT mean?

To suck ones cock with a rather heavy hunger. To syphon the head until milk pours into throat... and much much more.
Jean-Claude: Marie, would you sit please?

Marie: Why sure Jean-Claude.

- - -

Natasha: Whoa! I think i need to sit very badly...

Gregoire: Why dont you sit over here?

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Teacher: Melissa, i want you to sit please. Come see me after the class.

- - -
by henrycole February 9, 2009
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