I just did something P.D.Q; what does the acronym stand for?
Etymology, Etymology, and more Etymology
as well as grammar, usage, euphemism, slang, jargon, semantics (meaning), linguistics, neologism, idiom, word origin, syntax, dialect, lexicon (vocabulary), diction, pidgin, synonym, antonym, homonym, cant, argot, lingo, and redundancy.

The critically-acclaimed board game MooT consists of tough questions about the nuances of the English language.
Answer: pretty damn quick
The first OED citation for the acronym P.D.Q., pretty damn quick, is from 1875.
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