Top Definition
A common internet fallacy, in which one party responds to the logical argument of another by simply saying "lol." Often followed by or combined with an example of ad hominem, the response never actually presents an argument, and is paramount to simply admitting, "You have a point, good sir, but I will never admit you bested me in a battle of intellect!"
Ronald: "X is better than Y, because of Z"
James: "Lol! You're an idiot!"
Ronald: "Care to explain your reasoning?"
James: "Lol!"
Ronald: "That's a classic lollacy."
James: "Lol!"
by Vex-Donuts September 18, 2012

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