What is Dickanus?
1.
Someone who is being a 'dick' (as being annoying) and an 'anus' (retard)
That fucking dickanus is pissing me off.
Dickanus!
I've never seen such a bigger dickanus in my life!
See
2.
when someone you know is being unsavory./you.
"I'll call you by your name...dickanus."
3.
is the inside of the tip of your penal erection
i put a tree limb in my dickanus.