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6.
(noun) 1. the unfortunate condition of permanent ugliness whose contorted nature is often misconstrued with the common phenomena of "herp-derping"
2. a title for someone who is often seen "herp-derping," whether in photographs or in real life
3. a good way to troll, or fool, others into admitting to embarrassing and most likely untrue diseases
1. Jake: "Dude, what's up with Todd's face?"
John: "I don't know man, he looks like he's herp-derping."
Todd: "Herrrrrrrrp, I have derpies."

2. Sam: "You ever notice how Todd is always derping in pictures?"
Chris: "Yeah, it's weird, I wonder if he has derpies."
Todd: "Herrrrrrrp, I have derpies."
Sam: "You don't say...."

3. Troll: "Herp, I have derpies."
Victim: "Oh yeah? Well, derp, I have herpies."
Crowd: "Booh!" "Get off the stage!"
Victim: "FFFFFFFFFFFUUUUUUUUUUUU...!"
by githeroter December 02, 2012
15 9
 
1.
Awkward or embarrassing, especially pertaining to a person.
"Man, that guy is so awkward!"
"Yeah, he's really derpy."
by SiriusLG January 20, 2010
625 186
 
2.
adjective

accident prone; perhaps so much so that it makes one look foolish
I've been feeling pretty derpy today. Everything I touch seems to fall apart, and I cannot seem to do anything right.
by Count Schlick February 29, 2012
424 114
 
3.
Clumsy or uncoordinated; prone to cause accidents likely due to some, often humourous, mental lapse.
Ugh, I feel so derpy today. I just filled the coffee maker with pencil shavings and tried to write something down with a coffee bean.
by Count Hieronymus Schlick March 21, 2012
376 148
 
4.
Not "all there in the head"; possibly lacking intelligence or common sense. The wall-eyed background character in "My Little Pony: Friendship is Magic", Derpy Hooves, is named after this.
Hey, look at that guy sticking his aluminum foil-wrapped dick into an electrical outlet. That's derpy if I've ever seen it.

Derpy is best pony.
by Satoshiji December 31, 2011
403 201
 
5.
A disease (perhaps contagious) symptomized by using continuous "derp" actions.
"Man, I think Micheal has derpies."
"I know a few people who certainly have derpies."
by Lsh14 April 27, 2010
58 22
 
7.
A highly contagious disease originating from John Lane.
This disease is spread through acts of sheer stupidity, and there is no known cure.
Dammit, John touched me funny style and now I have da derpies
by RamstainAU September 26, 2010
18 14