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1.
enforcement of undisputable rule; having the smack brought down on you; having the book thrown at you; getting schooled.
Pronger should have been brightlined for stomping on Ryan Kesler's leg, but the NHL didn't have the balls to follow through.
by b_coalter March 30, 2008
 
2.
To emphasise your opinion like you have just done a line of Bolivia Marching Powder. To go off on one. Losing oneself in your own crapology. Talking off point but loudly and forcibly to win an argument. Talking over people to get them to just give up from utter tedium.
Jackie is really brightlining this conversation.

Jackie sure brightlined the shit out of that argument. I need some more wine and a smoke.
by Musicious June 27, 2013