Top Definition
The word has no meaning known to man on this planet.
However, On the planet "Zilpgoun" it is commonly known
as the act of softening a friends finger or toe nails by sucking on them and then chewing or bitting them off.
I am so fat that I had to pay for derpa cuz I cannot reach my toes.
by Adam210001 October 17, 2010
2 Words related to Derpa

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