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.
Wow, my little brother outdicks you!

Psh, you got nothing, I totally outdick your little five incher!
by bigger than you June 2, 2011
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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.
Beta male: WTF? That kid is all over your girlfriend bro, why don’t you beat his ass right now.
Alpha male: let him have her and she’ll come back crying to be with me again in less than a week. I can outdick the shit out of that noob anytime.
by Toilette June 6, 2015
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Like outdone yourself in dickishness. Means that you've been a total and utter dick. Not just a normal dick, but a jaw-dropping dick.
Person 1: oh man you fucked that hoe up the ass?
Person 2: shit yeah. Then I came on her face and kicked her to the curb
Person 1: shit bro, you totally outdicked yourself!
Person 2: damn straight dude.
by IkuraEater July 28, 2014
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