Top definition
Syko Dyko is a girl that has feelings for another girl in a phsycotic manner. an abreviation would be SD
Shaun- girl

Shaun just tried to rub up all over me, shes such a syko dyko.

Last night Shaun said she wanted to get with me in a syko dyko manner.

"You turned me syko dyko, now im crazy about vaginas", said shaun
by alisha a February 28, 2005
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