1. a ruffian or thug, especially a member of a street gang
Usage: informal; chiefly historical; U.S.

1. extremely ugly or unattractive
Usage: informal; derogatory

Examples

• The old neighborhood was controlled by plug-uglies who extorted money from local shopkeepers.
• That plug-ugly building was demolished to make room for a modern office complex.
• He was known as a plug-ugly in his youth, always getting into street fights.
• The sculpture was so plug-ugly that the museum decided not to display it.
• A gang of plug-uglies gathered on the corner every evening.