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Definition of derp

derp

/dɜːrp/
derp

Adverb:derpily
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Plural:derps
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Adjective:derpy
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Past Simple:derped
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Past Participle:derped
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Present Participle:derping
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derp Lexical Profile

derp Game Scores & Validity

• interjection

1

Used to acknowledge a foolish mistake, a momentary lapse in judgment, or an obvious oversight (informal, slang).

Example

"Derp, I completely forgot that I left my keys on the kitchen counter."

Synonyms
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• noun

1

Foolishness, stupidity, or a silly, clumsy mistake (informal, internet slang).

Example

"Wait, I sent the email without the attachment—sorry for the derp!"


2

A foolish, awkward, or endearingly goofy person or animal (informal, slang).

Example

"Our golden retriever is such a lovable derp whenever he tries to catch a frisbee."

Synonyms
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Antonyms
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• verb

1

To act foolishly or clumsily, or to make a silly mistake (informal, slang).

Example

"I totally derped on the last math question and added instead of multiplying."

Synonyms
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• Rhymes for derp

Word Origin & Etymology

Coined in the late 1990s by filmmakers Trey Parker and Matt Stone in the comedy film 'BASEketball' and popularized in the animated series 'South Park' as a vocalization for a clumsy or foolish mistake, before spreading widely through internet meme culture.

Cite this Entry


Wordmom. (2026). Definition of Derp. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/derp
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