(n.) When you're trying to have sex & the penis ends up in the anus instead of the vagina. Usually will piss off the female.
"Hey man, how was your date last night?"
"Not so good, I drank too much & got a bout of dyslexic penis syndrome. She got pissed & left."
"Better luck next time bro!"
by DSFan4Life April 6, 2010
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