a penal-cognitive disorder whereby a dick is unable to distinguish a vagina from an anus resulting in frequent mispenetrations. If left untreated this disorder may progress to a full blown case of turd dick.
a semi-legitimate excuse for sticking it in your bitchesass.
your bitch: WTF!!! Are you insane? That's my ass!!
you: oh shit! i'm so sorry. I have dicklexia.
your bitch: oh baby. I am sooo sorry. I had no idea. Resume your thrusting.
A learning disability wherein the sufferer is unable to tell the difference between a clumsy portmanteau and a genuine neologism; as seen in many Urban Dictionary users.
Nobody actually uses the words trusticle, faceboink or Kitchenheimer's; not unless they have Urban Dicslexia.