Main definitions of dick in US English:

: dick1dick2

dick1

noun

vulgar slang
  • 1A penis.

    phallus, member, male member, organ, male organ, sex, erection
    View synonyms
    1. 1.1 A stupid or contemptible man.
      idiot, ass, halfwit, nincompoop, blockhead, buffoon, dunce, dolt, ignoramus, cretin, imbecile, dullard, moron, simpleton, clod
      scoundrel, villain, rogue, rascal, brute, animal, weasel, snake, monster, ogre, wretch, devil, good-for-nothing, reprobate, wrongdoer, evil-doer
      View synonyms
  • 2North American with negative Anything at all.

    ‘you don't know dick about this—you haven't a clue!’

verb

North American
vulgar slang
  • 1informal no object Handle something inexpertly; meddle.

    ‘he started dicking around with the controls’
    interfere, fiddle, fiddle about, fiddle around, play about, play around, tamper, meddle, tinker, monkey, monkey about, monkey around
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  • 2with object (of a man) have sexual intercourse with (someone).

Origin

Mid 16th century (in the general sense ‘fellow’): pet form of the given name Richard. Sense 1 of the noun dates from the late 18th century.

Pronunciation

dick

/dik//dɪk/

Main definitions of dick in US English:

: dick1dick2

dick2

noun

North American
dated, informal
  • A detective.

    • ‘Our city's private dicks are mostly double-dipping police pensioners.’
    • ‘She's the English version of a hard-boiled dick, tougher than most all her country's male detectives, public or private.’
    • ‘Set in Los Angeles, the show follows the tradition of the hardboiled dicks portrayed by Dashiell Hammett, Raymond Chandler, James Cain, Ross McDonald.’
    • ‘Williams agrees and Kelso becomes a private dick, trying to work out the details of the murder and to free Williams, for whom he has developed a good bit of respect and admiration.’
    • ‘The image of a private dick gazing out his office window, a Lucky in one and a stiff drink in the other, is nearly a cliche.’

Origin

Early 20th century: perhaps an arbitrary shortening of detective, or from obsolete slang dick ‘look’, from Romany.

Pronunciation

dick

/dik//dɪk/