From Longman Dictionary of Contemporary Englishbovverbov‧ver /ˈbɒvə $ ˈbɑːvər/ noun [uncountable] SSYVIOLENT British English old-fashioned informal violent behaviour, especially by a group of young menbovver boy (=someone who behaves in a violent way)
Examples from the Corpus
bovver• Zoe is a quirky lady who says she's more at home wearing bovver boots than elegant stilettos. 