1 - Someone who treats people unfairly for little or no reason.

2 - Person with a penis on their head.
Lubie: Dude, Anthony's such a dickhead.
Badass: I know dude.
by Lubie47 May 04, 2009
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You reckon it's ok to hang so much shit on Scomo?

Yeah, why not? That dickhead is king of the boomers.
by 29gts11 January 18, 2020
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Referred to some girls at our school who believe they are better than us because they have boyfriends and ugly faces.

People that Arnt dickheads normally have names such as Eb and steph
Oi, look at those dickheads.

There names must not be steph and Eb
by Assandtitties November 07, 2013
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An Australian (yes Australian, not British) word that is used to describe a person who is rude and obnoxious.Most dick heads think that they are clever when they are far from it.
People who mistake Australian things for British things are complete Dickheads.

Saying "you are a Dickhead" is an example of being a Dickhead.
by Marquis forneus October 03, 2013
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