1. What a teacher tells you to do when you excessively sharpen your pencil, blow your nose or go to the bathroom.

2. What you tell someone when they flip you off.
1. Kid: can I go to the bathroom real fast? I gotta take a leak!

Teacher: Sit on it and take the damn final!!

2. Guy 1: Take my girl huh? Right here ya fucker!

" Guy 1 flips off Guy 2 "

Guy 2: Ahh Sit On It!
by gk339 June 17, 2009
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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?

- - -

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

- - -
by henrycole February 9, 2009
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partaking in a good chill at any given location
"lets go to starbucks and catch a sit"
by Fancy Henderson May 23, 2003
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meaning "shit".. it is abbreviated to "sit" by niggas and lazy asses
"Sit" yo.. Your dick fell out of my ass
by BMJ October 5, 2003
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i.e., Secret Internet Tramp, a phrase of frustration originating in and around internet dating sites, and rumored to have originated from multiple clusterfuck pre-dating experiences with Craigslist.

1. a pathetic married female surfing the internet and responding to personal ads so she can get some positive attention in her life, but, because she is married, has no intention of ever meeting;

2. a married tramp looking to have e-adultery (cybersex, audiocyber, webcamcyber or phone sex) while her hardworking schmo of a husband busts his ass so she can buy new lingerie;

3. a selfish internet bitch SITting on your time with no intention of ever allowing that time to be productive;

4. any otherwise undateable female responding to personal ads as if it's a game with the premeditated intent to tease, seduce and lie to the ad poster for as long as possible with the endgame being that she will never meet the poster;

5. a subgroup of SIF: a lonely, disgustingly obese fatty responding to personal ads to fill out her day.

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Jimmy: I spent 6 days emailing this bitch, chatting her up, then she disappears - wtf?

Mike: You got sat on by a SIT!

Jimmy: I got what?

Mike: You got your time wasted by a Secret Internet Tramp who played with you but had no intention of meeting you.

Jimmy: I did get sat on by a SIT, the bitch.
by Sir Robert Miller October 19, 2008
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Slut in Training- a girl of middle school age who dresses in skimpy clothing and is predetermined to become a slut in high school. Usually influenced by infatuation with an older male (Trainer).
Walked into the middle school Halloween party the other day, it was a complete SIT fest.
by kquigs July 11, 2010
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Used in reference to sitting on something in a sexual manner. The phrase first came into being during an episode of "The Girls Next Door" when Hef's new twin girlfriends were doing a sexy tennis photo-shoot. Both were holding tennis racquets and the photographer asked them to do something different. One person who was watching the show shouted, "Sit on it!" in reference to the girls sitting on the tennis racquets in a sexual manner.
Photographer in show: Ok girls, now do something different with the tennis racquets.
Guy 1 (watching show): Ya, ya, sit on it!
Guy 2 & 3 (sitting next to Guy 1), stare at Guy 1 in utter amazement, disgust, and intrigue.
by soundwave March 1, 2009
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