quidnunc

n.
A nosy person; a busybody.

[Latin quid nunc?, what now? : quid, what + nunc, now.]

(KWID-nungk)

noun
A nosy or gossipy person.

Etymology
From Latin quid nunc (what now), implying someone constantly asking "What's new?"]

Usage
"Naturally, the only time these messages pop up is when quidnunc co-workers are nearby." — Christopher Muther; Entertainment by the Foot; The Boston Globe; Jul 10, 2003.

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noun

A person given to intruding in other people's affairs: busybody, interloper, meddler. Informal kibitzer. Slang buttinsky. Archaic pragmatic. See participate/abstain.

one who seeks to know all the latest news or gossip, busybody