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2 definitions by Paco, el Taco

 
1.
(noun) a fictitious gland responsible for the filtration of derp-worthy stimuli in the human brain.

in a healthy and intelligent individual, it acts as a sensor, indicating when something outrageously stupid has been processed. it tends to result in facepalming, headaches, or sympathetic lulz in defense of knowing that the demise of mankind is imminent.

in an unhealthy or stupid individual, it provides a positive-feedback mechanism, resulting in the individual gaining reward for filling their brain with even more useless bullshit. stimulation of the gland in this type of individual brings about erratic, borderline retarded behavior, and in fact causes them to emanate even more derp to the surrounding environment. this can lead to a derp cascade, which enthralls masses of stupid individuals to do stupid things.
(intelligent) I swear, if I hear another stupid thing come out of her mouth, my derp gland is going to explode!

(stupid) DDDDDDDERRRRRRRRRRPPPPPPPPPPP! NUOH MAH GAWD KIM KARDASHIAN DDDEEEEERRRRPPPPPPPPPP!!!!
by Paco, el Taco July 15, 2012
 
2.
(noun) the resulting effect of derp spreading rapidly between individuals in a group, as a result of hyperstimulation of the derp gland. a single stupid person will be stimulated by something derp-worthy, which will cause them to emanate derp out to their surroundings. other stupid individuals will receive the stimulus and produce the same effect. this continues until an entire population of similarly-minded individuals have become stimulated, which can lead to widespread epic failure. it becomes increasingly more common in societies where intelligence is not respected (e.g. America)
Twilight. I don't need to say anything else. Fucking Twilight. Stephenie Meyer originated the derp signal, which spread like wildfire to its readers, resulting in a derp cascade. There are plenty more examples, but for now, this epitomizes it.
by Paco, el Taco July 15, 2012