The act of drinking 3 pints of beer (lager, bitter, stout etc) without going to the toilet until the 3rd pint is finished. (1 UK pint = 568.2ml).
In the pub, sink 3rd full pint, desperate for a piss, stand up to go and announce "I've just done a John Craven".
Keep it under your hat until complete - your drinking companions will be green with envy.

No idea where this definition comes from, but John Craven was a popular children's television news presenter on the BBC in the UK 1972-1989.
by Scott Hatton June 30, 2006
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a cowardly raven, also it rhymes which is really funny,

also a spitefull person
gaj

originated from
"does anyone know anything that rhymes with raven?"
"....hang on i'll look it up"
5 minuets later
"you can either have unshaven or my favourite
craven, which means... cowardly, which would make it a cowardly raven"
"HAHAHAHHAHAHAHAHAHAHAH"
"fuck off you craven raven"
"you are such a craven raven"
"craven raven this"
by Emma Carlisle and Rose Dix October 13, 2007
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The act of drinking 4 pints of beer/lager/stout in one session without going for a piss. If you drink 2 pints, but fail to drink 2 more, you have done a Half Craven. Named after the urban myth that T.V. presenter John Craven can drink four pints without taking a piss. Those who complete a Full Craven will be the envy of all of their friends and will be a real man.
3 pints without going for a piss. 1 more and I've done a Full Craven.
by imgreat196 December 5, 2009
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A total homosexual who enjoys threesomes with two dildos in their ears. Plays drums and can only score with ugly mexicans.
That person in party chat is a total B-Craven.
by BlinkDums May 26, 2010
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Being more death metal than an airplane can handle
"Slade Craven filled up Glen Benton's inverted crucifix scar with piss and then lapped it up."

"Slade Craven used a pineapple as a condom when he was fucking Chris Barnes"

"Slade Craven once fisted Crazy Town then rapped 'Forgot about Dre' but changed all the words into Disturbed lyrics. Then shat."

"DevilDriver challenged Slade Craven to a farting competition but Slade Craven followed through right on that fucking guy from Coal Chamber's face."

"Slade Craven gained Kid Rock's trust, then did a poo in his kitchen"
by Rapeimus Prime August 8, 2009
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The baby that comes 9 months after the renouned country jamboree at craven, the sex party of saskatchewan.
I'm afraid that i was too drunk at the jamboree and might end up with a craven baby.
by r0yse January 27, 2009
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