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The event in which you or the driver next to you is attempting to change lanes, but both vehicles either slow down or speed up which makes the lane change unsuccessful.

Both cars are side to side and move up and down, hence, "titty tag".
This asshole was titty tagging me on on freeway 59 last night, which caused me to miss the exit and make me late!
by vonhelsing20 May 20, 2012
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Jun 24 Word of the Day
An exclamation made when your friends or family are teasing you to a point where you can't handle it anymore and a hissy fit is in order.

Derived from a YouTube user's famed outburst following Britney's lackluster performance at the 2007 VMA's.
Sarah: 'OMG Susan, I can't believe you are wearing the same skirt as yesterday. Oh, and by the way, EVERYONE knows what you did with Kevin on the weekend. Plus you look a little fat, are you retaining water?'

Susan: 'LEAVE BRITNEY ALONE!'
by Billy Chickenhole September 15, 2007
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