mug vs Black English Vernacular

mug and Black English Vernacular both are nouns.

Word	Noun	Adjective	Verb	Adverb
mug	Yes	No	Yes	No
Black English Vernacular	Yes	No	No	No

mug (noun)	Black English Vernacular (noun)
with handle and usually cylindrical	a nonstandard form of American English characteristically spoken by African Americans in the United States
the human face (`kisser' and `smiler' and `mug' are informal terms for `face' and `phiz' is British)
a person who is gullible and easy to take advantage of
the quantity that can be held in a mug

mug (verb)	Black English Vernacular (verb)
To stare awkwardly
rob at gunpoint or with the threat of violence