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The act of a female entity leaning at a perpendicular angle over a flat surface, therefore exposing both the breasts (when wearing a loose shirt) as well as a clear view of the contour of the buttocks.
While wearing loose clothes, Anna greatly excited the group of boys she was talking to when leaning over the table. She was unaware that she had been 17ing, and tits were shown.
17ing by The Orange Cat August 12, 2012
Related Words
17ing 11ing 12ing 17ngles 9/11ing 14/16ing 2-10ing 9-12ing
Verb- Act of showing support for the Seattle Seahawks by proudly sporting jersey's and other gear, and by displaying #12th man flags. 12ing should be done as often as possible if not all the time. If you see a fellow 12th man or woman 12ing, yell "SEA-HAWWWWKS!!!!" to show your pride. Post pictures of yourself 12ing whenever you can! GO HAWKS!
The frenzied fans of the Seahawks brought their 12th Man flag on vacation and posted a picture of themselves "12ing in Vegas" online

The Hawks fans were 12ing so hard at the game, the Whiners tries to impose noise control rules.
12ing by Beastmode Allie January 13, 2014
Two males, usually gay, rubbing penises together in an erotic way
He man, you want to do a bit of 11ing tonight
11ing by Davey Smithy January 16, 2020
1. To ruin or undermine
2. Something so horrible, it can only be compared to 9/11
1. "MOM! You 9/11ed my sandwich!"
2. "Bongo keeps on pissing on the kids. He's totally the 9/11 of party clowns."
3. "I was having a great day, until Brandon started 9/11ing it."
9/11ing by TheNoogie April 17, 2014
When 20 Arab extremists explode in your bush.
Man last night was crazy, started at Brielle’s birthday party and ended up 9/11ing #missionaccomplished
9/11ing by John Stamos420 February 15, 2019
The act of continuously feeding enemy team in a MOBA game and blaming it on lag.
Wow peep why did you walk straight in to a 1v3? Stop 2-10ing
2-10ing by Gorillz August 6, 2017