a person so paranoid about revealing their information or identity or being phone screened that they block their caller id so you are almost forced into taking their phone call or ignoring their phone call. Either that or youre getting a call from a bill collector!
Uncle Carmine: Omg Barbie Q, can you believe baby girl is calling me on the otherline blocking her caller-id, like im not going to know its her?

Barbie Q: yeah, she's such a caller ID blocker, i hate when she does that to me, so i igonore her calls anyway, then she wonders why we dont talk!

Uncle Carmine: she's such a diva, shes paranoid!
by Zio Carmine aka Don Gesu September 14, 2011

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