On the stoner side of cool or completely hip
That flannel is derpy, especially with that pendant.
When you're doing your make up and one eye turns out better than the other. The bad eye is what's known as a 'derpy eye'.
I swear no matter what I do, I cannot fix this derpy eye!
When you are receiving oral pleasure from someone with a severe mental disability.
"Yo Dude! You know Sarah from the sped class? She gave me the craziest derpy slurpy!"
Someone who refers to outdated references or information that is no longer funny.
Derpy Dan can also refer to a person or persons that make statements or jokes about an event that is untrue, or that did not occur.
Person 1: Hey did you hear John talking about how the cops swatted his neighbors home because the husband was mad that his cheated?
Person 2: No, John is just a Derpy Dan, that is not what happened and he is just trying to make stuff up to get attention.
Phrase created by Pigstand Genie that can be both are a congratulations wish and/or insult depending on how it is use.
Happy derpy (username).
Well If that is not a happy derpy.
You are such a Happy derpy you are.
Derpy whooves is a Pony that is bron difference But is still The Most cute and AWESOME pony ever from the show my little pony.
She is vidden in some places and Pops up here and there and in the intro of the series in the train!
Non-Brony: Meh who’s that Stupid pony?
Brony: You don’t know who she is?
Non-Brony: Nope?
Brony: It’s derpy Whooves! And she is the most cute pony ever!
Non-brony: she looks like she has mental problems
Brony:**Crosses arms** Hey man! Screw you!