To have a bigger penis than others, to Out-Do somebody in that area. Applied when the outdicker is younger, or of a race not expected to be bigger than the outdicked.

Derived from the word outdid/ outdone.

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Verb: in homo sapiens species, when two males compete over a female through sperm competition, the higher ranking male and consequently the winner of the seduction process is said to have outdicked the lower ranking male, aka he has a bigger dick.

To out-dick means that someone has made a more mean comment than everyone else on some issue. It's a competition, especially in joking or insulting conversation, to be the bigger asshole of the conversation. It should be used as a verb.

Out-dick; out-dicked; out-dicking are some various forms of the word.