Meaning

3 senses
  1. (slang)A person who acts stupidly or foolishly; a person who derps.

  2. (slang)A stupid mistake, stupidity.

  3. (uncountable)The constant repeating of an opinion after facts have proved it incorrect, especially as a rhetorical tactic.

More definitions
  • someone who is silly or stupid especially when seeming cute

Origin

Probably from dur, a British informal exclamation for “stupid” or from duh, an exclamation

Probably from dur, a British informal exclamation for “stupid” or from duh, an exclamation indicating faltering speech and assumed stupidity, glottalized for emphasis. Popularized by BASEketball (1998) and "Succubus", a 1999 episode of South Park. See also twerp possibly related to Welsh twp meaning fool.

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Forms

plural: derps
Singularderp

uncountable

Word family

1 related words
Derivedderpage

See also

neighbours in the dictionary
derp — meaning, examples, forms, synonyms | Krumeto