wilding1Pronunciation: /ˈwʌɪldɪŋ/Definition of wilding noun [mass noun] US informal the activity by a gang of youths of going on a protracted and violent rampage in a public place, attacking or mugging people at random: prison put halt to his wildingOrigin: 1980s: from the adjective wild + -ing1wilding in other Oxford dictionaries Definition of wilding in the US English dictionary