Brummagem
adjective
[ ˈbrʌmədʒ(ə)m ]
• relating to Birmingham or the dialect of English spoken there.
• 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.