Definitions

1. noun

A person, especially a young man, who is considered to be uncouth or unsophisticated in manner or behavior.

“He was labeled a yobbo by the locals for causing a disturbance in the town.”

2. noun

A person who engages in violent or anti-social behavior, especially in a gang or group.

“The police were called to deal with the yobbo who was causing trouble in the park.”