A way to settle an argument by which you come out as the victor. Allowing your verbal sparring partner to realise that no matter what they think, you are actually not bothered. You are right, they need to stop talking. It's over. They've lost. Why go on?
"Smoking Soverigns mare you look cool"
"You are retared. Marlborough Light Menthols are clearly where it's at. They're all white, and go with my iPod"
"But Soverigns are cheaper"
"And they taste like shit. The End."