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Dutch origin literally meaning 'bark of a dog'. Dutch slang for lighting up a 'splif' (cigarette filled with marijuana).
His cough sounded like a keffen

He drew on the keffen and passed it to his friend
Keffen by hannay March 1, 2007
Related Words
Keffen • kiffen • keffer • Kelfen • kefentse • keffed • Keffelt • keffing • kaffentzis • keefen
uncommon english slang use for someone who has been mentaly aroused by drugs which have, therefore led him to a 'gormful' life in which things appear slower and stranger to the person in question. Furthermore, the person deemed to have done a keffen or branded a Keffen seem to have thrown common scence out of a 9 story window to which it has been demoralised to a common toad. Simple things seem a challenge and more intermidiate actions seem frightful or impossible.
1)"mate thats your Television not the toilet" 2)"Fuck off" 1)"You my friend are a keffen"

1)"im elergic to nuts but i thought that they would tell me" 2)"You have just done a keffen mate."
Keffen by kanerockgod February 7, 2007
Having no desire to speak to other humans so you carry around a pencil and piece of blank paper and make it look as if its important.
Jimmy: Hey Chuck, what are you doing?
Chuck: I have this really important paper to make copies of.
Jimmy: Ok see you later.
Chuck:(to himself) Yes. Another day of pulling a Keffner.
Keffner by daringstudent April 7, 2010

Kefferie 

To slap the booty and leave that bitch on read in the same senario. In fucking person too.
Yo, get this bitch outa here. I already kefferied her dumbass.
Kefferie by Codemann22 April 7, 2019
(German) to smoke pot, toke up, etc.
Hey, Hans, willst du kiffen?
kiffen by bohnetp October 18, 2003
The energy you ( an individual ) exude, purest when intention matches universal harmony.

The growing presence of Balance & Harmony
Amplifying your Kiffen will directly effect the surrounding environment for the better.

Your Kiffen is so inspiring, it is like I cant tell you are moving fully within your purpose.
Kiffen by Eatnessgray August 15, 2021
More from Urban Dictionary

proper lad 

a lad that is such a lad that he is a proper lad
person1:did you see bob
person2: ya he was a proper lad
Word of the Day on October 29, 2026
The number of years you are still sexually active
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
sexspan by Dr Kat April 21, 2022
Word of the Day on October 28, 2026
A lighthearted reaction upon receiving disappointing news of some sort. Usually something that isn't a particularly a big deal, esp. when it primarily affects someone else - sort of a mild schadenfreude. Sometimes doubled or tripled, and possibly said in a sing-songy voice for added comedic effect to imitate a muted trumpet, which is how the meme originated.
You didn't get any napkins with your takeout pork fried rice? Womp womp.
womp by 175623226 November 3, 2011
Word of the Day on October 27, 2026
When your wife’s boyfriend let you sleep past 8pm 😎😎
Wife’s boyfriend: You have 5 more minutes
Me: Poggers!
Poggers by Just_Charles April 14, 2020
Word of the Day on October 26, 2026
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