[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 (美,非正式)(指一伙年轻人在公众场所)聚众闹事,滋事
语源
1980s: from the adjective wild + -ing
wilding2 [ˈwʌɪldɪŋ] (亦作wildling -lɪŋ) noun
a wild plant, especially an apple tree descended from cultivated varieties, or its fruit 野生植物(尤指小苹果树或其果实)