Teddy boy vs plug-ugly

Teddy boy and plug-ugly both are nouns.

Word	Noun	Adjective	Verb	Adverb
Teddy boy	Yes	No	No	No
plug-ugly	Yes	No	No	No

As nouns, plug-ugly is a hypernym of Teddy boy; that is, plug-ugly is a word with a broader meaning than Teddy boy:

Teddy boy: a tough youth of 1950's and 1960's wearing Edwardian style clothes
plug-ugly: someone who bullies weaker people

Other hypernyms of Teddy boy include tough guy.

Teddy boy (noun)	plug-ugly (noun)
a tough youth of 1950's and 1960's wearing Edwardian style clothes	someone who bullies weaker people