The limit of acceptable physical contact between two platonic opposite gender friends, established by mutual agreement.
Karen and Bob decided that hugging and kissing on the cheek didn't cross the Lap-Dance Line for them, but motorboating did.
by KronocideStl November 3, 2008
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The tan line people get in 2020 while working in the sun with their computers on their laps.
Wow, Judy must've been working hard these days. She has such a nice lap line!
by Post Nellone April 8, 2020
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