流氓 (liúmáng): hooligan

Measure Word

一个流氓 gè

Bié gēn nàxiē liúmáng láiwǎng.

Don't associate with those hooligans.

Tā de xíngwéi tài liúmáng le.

His behavior is too thuggish.

memory

流 (to drift) + 氓 (common people) — drifting commoners with no fixed home, originally referring to vagrants.

流 liú

氓 máng