Collocations for thug - noun

teenage, young
street (esp. AmE)
murderous, vicious, violent
drunken, mindless (esp. BrE)
hired
armed, knife-wielding (esp. BrE)
jackbooted
The jackbooted thugs can arrest you without bothering to accuse you of a crime.

fascist, Nazi, racist, right-wing
football, soccer (both esp. BrE)

bunch, gang
He was beaten up by a gang of thugs.