Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. Vulgar Slang An inept, foolish, or contemptible person.
Wiktionary
- n. The glans penis.
- n. A jerk; a mean or rude person.
- n. A stupid person.
WordNet 3.0
- n. insulting terms of address for people who are stupid or irritating or ridiculous
Examples
“Some pregnant daughter of Fort Worth's richest dickhead is stolen away by her boyfriend.”
“They used the word dickhead on the radio, with impunity.”
“It seems that being a dickhead is a prerequisite for either of these groups.”
“I wait for the fax and the locksmith (from here on known as dickhead) is standing there.”
“Seriously, this is where the term 'dickhead' and 'pissface' comes from, these umicefs all over the world.”
“Although Lawrence is an expert on Victorian-era Literature, he is unable to cultivate meaningful relationships with his son (Ashton Holmes) and daughter (Ellen Page), and is universally known as a "dickhead" across campus.”
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“So, nobody gets to call anyone here a "dickhead" ever again.”
“Ch Von Heyl in the Oranges and Sardines podcast said the same when she wished for an arrogant "dickhead" out there a la Greenberg making some kind of pronouncements. just to bounce off of.”
“[Author's note: The term "dickhead" is not a mere phatic utterance; it refers to men whose every word and deed is inflected with the need to prove their masculinity.]”
“In the red corner we have Cameron Reilly, about whom no journalist I have ever asked has ever had any other opinion than the word "dickhead".”
Lists
These user-created lists contain the word ‘dickhead’.
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Gapeseeds and Muckworms - Compound Derogatives
A list of compound derogatory names such as gapeseed, muckworm and lickspittle. Your one-word contributions to this list are welcome.
See sionnach's list derogatory terms I should use ...gapeseed, muckworm, lickspittle, makeweight, bootlicker, backscratcher, apple-polisher, backslapper, brownnoser, rakeshame, yesman, freeloader and 237 more...
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dirtie dirtie
words most foul
fuck, cunt, shit, hell, bloody, bloody hell, fuckhead, fucking, ass, asshole, fuck off, what fuck and 33 more...

notanotherjazzpoet Thank you! Feb 9, 2007
seanahan forgo/forewent, undergo/underwent, are perfectly acceptable. Feb 9, 2007
notanotherjazzpoet I had to forgo (can one say "I forwent"?) my first impulse for a definition, as I shouldn't like to paint an overly crude picture. Feb 9, 2007
chained_bear Ahh, another shade of meaning. Thanks n.a.j.p. Hadn't thought of that. Maybe I, too, think as well as a ... well. I guess we know the answer to *that*. Feb 9, 2007
notanotherjazzpoet I think it might be more metaphorical. The person thinks as well as a dick (thus, not much). Feb 8, 2007
chained_bear Well, OK. But it does raise the question. If you think about bad words all the time, like I apparently do... Feb 8, 2007
uselessness I refuse to justify this question with an answer. Feb 8, 2007
chained_bear Does this mean one's head is shaped like a dick, or that there is a dick growing from one's head? Or is it simply the head of a dick? Feb 8, 2007