流氓

rogue / hoodlum / gangster / immoral behavior

to flow / to disseminate / to circulate or spread / to move or drift / to degenerate / to banish or send into exile / stream of water or sth resembling one / class, rate or grade

see 流氓[liu2 mang2]

common people

rogue state

lumpenproletariat (in Marxist theory)

the crime of hooliganism

malware (computing)

gang of hoodlums