A public school name for the art of writing the word Knob on a piece of school property or somebodies prep without them noticing, knobbing has been known to occur at Magdalen College School for boys and at Eton.
Jimmy Knobbed Mr. Nolls Pot Plants.
by Jonny Church March 10, 2003
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To wrap ones' mouth around a door knob and to then have someone open the door. Instantly ripping your teeth out.
Will: Have you seen Melissa?
Nate: I heard she got caught knobbing, she's getting dentures fitted.
Will: Yikes!
by weedsniffer3000 January 27, 2020
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A reference used by the supporters of Crystal Palace FC to describe another set of South London supporters, the Charlton fan.

For years, the Charlton supporter (or Clown as they are commonly known) has tried to bait and bully their way into a rivalry with their neighbour (who already have a deep and ancient rivalry with Millwall FC and Brighton & Hove Albion FC) but the worst insult anybody could think of on the Crystal Palace side was 'knob' as the Palace supporter really cant bring themselves to hate them.
Look at that Clown knob trying to pick a fight with that caravan salesman.
by Jay Simon September 18, 2007
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Noob-newbie

some one with little experience
by tehkoko May 30, 2005
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Knobbing is the post-coital activity of eating a doorknob. However this is only performed after anal sex. Partakers in this activity are called "Knobbers." Knobbing is best known for the excerpt of the underground Guniean porn video "KNOBBERS BE CRAZY," in which said clip showcases the leading male, Ibrahima Kowolai, partaking in the post-coital activity.
"Dude, I had a rough night of Knobbing yesterday..."
by _Dolos_ September 18, 2021
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When you go to someone's house and rub your ass in their door knob but they turn the knob while your ass is still on the other side if the door and it got pushed into your anus
"Why did you have to get a Tetinus shot?"
-"dude I go knobbed"
by Nigga Kate March 9, 2014
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For one to be so ridiculously stupid that simple tasks are their undoing.
Gemma is extremely sun burnt... on her front.. not her back.. She looks like a KNOB!
by krazyface1985 June 2, 2009
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