Meaning of naffing in English:

naffing

Pronunciation /ˈnafɪŋ/

adjective

informal British
  • Used to express annoyance.

    • ‘more naffing guidelines!’
    • ‘it's naffing cold out there’
    damn, damned, blasted, blessed, flaming, precious, confounded, rotten

Origin

1950s euphemism for fucking (from naff).