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Derived from the main character of "He's Just Not that Into You", Gigi. The girl (or boy) who overreacts at every little thing men (or women) say to her (or him) and overanalyzes every "hello" "goodbye" and everything in between.

Don't become a Gigi, guys. Brush it off, just brush it off.
"JOE! You need to stop Gigi-ing, just because she put an exclamation point in the text doesn't mean she's mad at you!"
by DJSaucy July 17, 2009