1 definition by J&M Inc.

(Noun)
Someone who tells irrelevant, pointless stories and/or gives you meaningless information about things that nobody cares about.
"Stop being such a Tiff. No-one cares that your roommate just got home!"

"She kept telling us all these dumb stories about her cat! She was being a complete Tiff."
by J&M Inc. June 16, 2013
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