Definition of rugger bugger in English:

rugger bugger

noun

British
informal
  • A boorish, aggressively masculine young man who is devoted to sport.

    • ‘If the local rugger-buggers had pulled a similar trick, it would have been a laugh wouldn't it?’

Origin

1970s (originally a South African usage): from rugger + bugger ‘mate’ (used freely and without sexual connotations in South African English).

Pronunciation

rugger bugger