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1.
extremely comfortable
Poshka was used to sleeping on the street but when the nice lady gave hime shelter, a warm meal, then a fireside bed, he was as bumfy as a man could be.
автор: provider44 15 января 2010
 
2.
Bumf is British slang for useless printed material. Bumfy is more of an adjective.
Miranda this proposal you've written is completely bumfy.
автор: Ken K. 30 марта 2006
 
3.
Refers to a sexual position. It is sitting on the toilet and taking a shit and getting a blowjob at the same time.
I got a fantastic bumfy off that chick last night.
автор: Ben Pollard 9 января 2006
 
4.
getting drunk partying
I know Joe and all of them will be getting bumfy tomorrow so we should go.
автор: iamtherealking 5 апреля 2011