a dickhead who likes the cock, but will not admit so, even being caught in the act of being dicked down.
bro1: Dude you're such a dickums. That a'int bromance no more!
by keru January 29, 2009
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phrase used while playing beer pong. when two cups are left on the table, you dickum to put one in front of the other. derived from referring to a males dick, and having it stick out straight when hard.
can also be used as an exclamation, or to as a name.
1. "Dickum Please"
2. "Ahhh! Dickum!"
3. "Taylor, you dickum."
by Magdalena<3 May 2, 2007
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1) Another word for smegma (aka dick cheese)

2) Alternatively, can also mean a huge schlong
1) Damn, I really need to get rid of all this dickum, it's starting to smell down there

2)

Guy 1: Oi! That's a nice dickum you have there mate!
Guy 2: Thank you very much I really appreciate it.
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