What does bash mob mean?

bash mob meaning in Urban Dictionary

"Bash mob" is a phrase familiar with describe the frustrating brand-new trend beginning in the year 2011 for people to gather all of a sudden in a public place to strike innocent men and women, then disperse. "Bash mobs" tend to be organized via telecommunications, social networking, or viral emails, similiar to "flash mobs." Bash mobs are similar to flash mobs, except bash mobs tend to be violent, causing innocent people to be injured or killed also in the mayhem occasionally causing property harm . . . . . . . {A "flash mob" is a group of people who assemble suddenly in a public place, perform an unusual and sometimes seemingly pointless act for a brief time, then disperse, often for the purposes of entertainment and/or satire. Flash mobs are organized via telecommunications, social media, or viral e-mails. The term "flash mob", coined in 2003, is generally not applied to events and performances organized for the purposes of politics (such as protests), commercial advertisement, publicity stunts that involve public relation firms, or paid professionals}.