Meaning of MOD in English
a young person, especially in Britain in the 1960s, of a group following a fashion of smart modern clothes. Mods had short, neat hair, rode scooters (= small motorcycles) and liked soul music . Their rivals were the rockers . Large groups of mods and rockers used to gather at seaside towns on bank holidays and fight each other.
Oxford guide to British and American culture English vocabulary. Руководство по британской и американской культуре, Оксфордский английский словарь. 2005