Brummagem

ADJECTIVE
1 informal attributive Relating to Birmingham or the dialect of English spoken there.

2 dated attributive Cheap, showy, or counterfeit.

‘a vile Brummagem substitute for the genuine article’

Origin
Mid 17th century: dialect form of Birmingham, England; Brummagem (sense 2 of the adjective) is with reference to counterfeit coins and cheap plated goods once made there.

to be showy, but not needed and worthless. (bruhm-uh-juhm)