effing jeffing 

Means the same as effing (fucking), but has 'jeffing' on the end, for no other reason than it rhyming rather well.

'effing jeffing hell'

'effing jeffing watch yourself'

'what the eff jeff is that!?'

effing jeffing by Lil' Alex January 13, 2009

Effing and Jeffing

A variation on the term "Effing and Blinding", meaning to swear or curse profusely. Used in the North of England, notably by one Karl Pilkington in an episode of the Ricky Gervais Show.

Karl: I've just slagged off that octopus, but at no point was I effing and jeffing about it.

Effing and Jeffing by AnaWanaMia? May 24, 2006

effin' 'n' jeffin'

Another term for swearing made popular by the Karl Pilkington during his XFM days.

There will be no effin' 'n' jeffin' during the funeral.

effin' 'n' jeffin' by bxnzi July 19, 2016