1 definition by Soulja Man

Top Definition
TUI
Texting Under the Influence
1. the text messaging equivalent of drunk dialing
2. the act of typing text messages while operating a motor vehicle
He deserved two TUIs yesterday: one before drinking a sip of alcohol commuting to the Braves game, and another 20 beers deep by night's end ...
by Soulja Man April 20, 2008

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