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1.
A Nosy Nina is somebody who pries into other peoples affairs on a regular basis. Nosy Ninas often stick their noses where they do not belong.

Somebody who overhears something and tries to insert themselves into the conversation is often called a Nosy Nina

Debbie Downer started the trend of people adding names to the end of adjectives.
John "Hey were you guys just talking about whathisface?"
Jacob "Quit being such a Nosy Nina and get back to work"

Ash "Did you hear that Susan is getting divorced because her husband fell in love with a stripper in Vegas"
Sarah "First of all so not true, second of all stop being such a nosy nina!"
by Theoneandonlypseudonym April 20, 2010