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1.
word used to describe someone or something that is fake or something that is a lie.
example one:
"that stuck up bitch with the pound of makeup caked on her face is counterfeit as fuck."

example two:
"if i ever catch you trying to buy anything from my shop with a counterfeit bill, ill blow your fucking head clean off."

example three:
"she keeps telling me she loves me, but to me it seems pretty counterfeit."
by counterfeitmeaning May 05, 2010