1 definition by DarkSideG

It is a combination of the words septic and dick. It means to have shit on your dick. Possibly from butt-sex with a female and/or male. Or if someone has a fetish to get shit on their penis area.
In order to not get this girl pregnant, i fucked her in the ass. Now i have a sepdick.
by DarkSideG May 29, 2011
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