Similar to the origin word "Derp" it is the definition of a person who is constantly being a Captain Obvious, saying things that don't make sense, or they fail and are non-sense and they have no idea what they are doing half the time and you get the point.
Teacher: Spell "Night"

Derple: N-I-T-E

Student: Dah! Your such a Derple!
by HunterKill November 28, 2011
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Someone who follows one who derps, while reciting that derp like dogma.
Dude, stop being a derpling and actually try to figure out stuff on your own!
by smpier August 28, 2010
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The Best AE man alive (aka DERPBOY8-)
Derpleds lastest vid was pogchamp manhes so cool XD XDXD your so cool want to be you cooler then turtle omg omg omg killed XDXDDXDXDD
by Derpled December 7, 2020
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a glass table that has a rim around it for a water moat, with exciting siamese fighting fish that like to dip fries in wendys frostys
hey guys, its saturaday, do u wanna go try out the derple woaps. Tim tried yesterday and it was a fanstantic adventure
by jard hymanwitz August 24, 2007
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Comes in one of two forms:

1) Syndrome: A one time screw-up that is so foreseeable, that you have no idea how you made the mistake.

2) Disease: A lifetime of ridiculously terrible screw-ups that have complete an utter alternatives, yet someone makes that mistake and can't see where they went wrong. Cases can range from bad to severe based on the symptoms.
1) "Dude, I can't believe I walked into that lamp post. I must have Derple Dyslexia Syndrome.

2) "Man, that driver has ran 3 red lights in a row and just pulled out in front of an 18-wheeler. He must have Derple Dyslexia Disease.
by InvisaThreat March 29, 2012
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