1 definition by footballer88

The most popular phrase from "The Dark Knight". used by fanboys and the genuinely joker-like characters alike. Although its a cool thing to say, say it to much and someone may punch you in the face.
idiot- lulz! i wa7ch3d teh joker l4st n1ight on HB0 and 4lm05t 5h!t mahself!!!

cool joker fan-you should start taking things a little more seriously

idiot-Why so serious? LOL

cool joker fan-*punches idiot in the face*
by footballer88 February 25, 2010

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