rugger-bugger
noun /ˈrʌɡə bʌɡə(r)/
/ˈrʌɡər bʌɡər/
(British English, informal)- an enthusiastic player or supporter of rugby, especially one who is noisy and aggressiveWord Origin1970s (originally a South African usage): from rugger + bugger ‘mate’ (used freely and without sexual connotations in South African English).